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"Swann is a mechanical master of all things Terran. With Swann, you’ll have access to unique and advanced weaponry, which you can use to wreak unspeakable mayhem across the battlefield. Beginning each game with a massive laser drill, Swann will be unable to construct a Barracks. Instead, Swann relies entirely upon his mechanical prowess, and once he’s constructed his army there is little that can stop him."

- Commander blurb(src)

Rory Swann is a playable commander in the Co-op Missions mode of Legacy of the Void. His army composition is based around mechanical units (vehicles, starships, and turrets), improving their performance in battle and allowing him to build large numbers of them more quickly. He also has access to a Drakken laser drill which the player can control,[1] and attack anything within the player's line of sight.[2] He can also construct a variety of defensive turrets.[1] All of his mechanical units are constructed 20% faster than normal, and his factories do not cost any vespene gas to construct.[2]

As a downside, Swann is unable to build a barracks, and must rely on factory and starport units.[1]



  • Recommended for experienced players
  • Control a giant Drakken laser drill with destructive energy abilities
  • Build an army of vehicles, spaceships, and turrets


Power Set 1
Concentrated Beam Width and Damage: +2% – 60% (up to a maximum of 640 damage)
Combat Drop Duration and Health: +2% – 60% (up to a maximum of 96s, and 640 health)
Power Set 2
Immortality Protocol Cost and Cooldown Duration: -2% – 60%
Structure Health: +2% – 60%
Power Set 3
Vespene Drone Cost: -3% – 90% (down to a minimum of 10 Minerals Terran SC1)
Laser Drill-Production Time: -2s – 60s

Calldown AbilitiesEdit

SC2 Swann AC - LaserDrill
Drakken Laser Drill

Attack with the drakken laser drill dealing 20 damage per second to target unit. Has unlimited range. Drill can be upgraded to increase damage.

Campaign Acquisition
Unlock Initially available
SC2 Swann AC - CombatDrop
Combat Drop

Calls down 4 A.R.E.S. war bots, stunning enemy ground units in the drop zone. The war bots are controllable and fight for 60 seconds.

Duration 60Time SC2 Game1
Cooldown 240Time SC2 Game1
Campaign Acquisition
Unlock Reach Swann Level 2
ConcentratedBeam SC2 Icon1
Concentrated Beam

Deals 400 damage to enemy units and structures in a line across the entire map.

Cooldown 180Time SC2 Game1
Campaign Acquisition
Unlock Initially available
PulseCannon SC2 Icon1
Pulse Cannon

Deals 600 damage to enemy units and structures in target area after a small delay.

Cooldown 300Time SC2 Game1
Campaign Acquisition
Unlock Reach Swann Level 4.


SC2 Swann AC - CombatDropUpgrade
Six for the Price of Four

Increases the number of A.R.E.S. war bots called down by Combat Drop by 2, for a total of 6.

Campaign Acquisition
Unlock Reach Swann Level 14.

Army CompositionEdit

Units and StructuresEdit

Swann has access to the following units and structures:

Icon Unit Details Production Damage
Hellion SC2 Icon1

Hellbat SC2-HotS Icon1

Close combat fighter able to transform into Hellion/Hellbat. 100 Minerals Terran SC1 2 TerranSupply SC2 Icon1

Hellion Mode:
Vs Light: 9.60 DPS
Vs Armoured: 2.30 DPS

Hellbat Mode:
Vs Light: 20.00 DPS
Vs Armoured: 9.00 DPS

Goliath SC2 Icon1 Goliath Forward assault strike armour; designed for ground-to-air heavy-fire support. 150 Minerals Terran SC1 50 TerranVespene SC2 Game1 2 TerranSupply SC2 Icon1 Vs Air: 21.33 DPS
Vs Ground: 12.00 DPS
SiegeTank SC2 Icon1

SiegeTank SC2 Rend2

Siege Tank Tank armour that can transform into a stationary artillery fire-support mode, allowing it to strike targets at a greater range with high damage output. 150 Minerals Terran SC1 125 TerranVespene SC2 Game1 3 TerranSupply SC2 Icon1

Tank Mode:
Vs Light: 14.22 DPS
Vs Armoured: 24.04 DPS

Siege Mode:
Vs Light: 25.00 DPS
Vs Armoured: 30.00 DPS

Cyclone SC2-LotV Icon1 Cyclone Mobile assault-harrassment armour, armed with twin Typhoon missile pods that engage air and ground enemies. 150 Minerals Terran SC1 150 TerranVespene SC2 Game1 3 TerranSupply SC2 Icon1 Normal Attack: 18.00 DPS
Lock-On Mode: 37.50 DPS
Wraith SC2 Icon1 Wraith Cloaked aerospace strike fighter. 150 Minerals Terran SC1 50 TerranVespene SC2 Game1 2 TerranSupply SC2 Icon1 Vs Air: 16.00 DPS
Vs Ground: 9.47 DPS
Science vessel SC2 Icon1 Science vessel Scientific research vessel able to repair friendly mechanical units. 100 Minerals Terran SC1 200 TerranVespene SC2 Game1 2 TerranSupply SC2 Icon1 Vs Air: N/A
Vs Ground: N/A
Hercules SC2 Icon1 Hercules Tactical-airlift aerospace vessel. 100 Minerals Terran SC1 50 TerranVespene SC2 Game1 3 TerranSupply SC2 Icon1 Vs Air: N/A
Vs Ground: N/A
Thor SC2 Icon1 Thor Heavy attrition-warfare/assault-breakthrough armor; deal splash damage to air units and fire powerful cannons at ground targets.

(Unlocks at level 6)

300 Minerals Terran SC1 200 TerranVespene SC2 Game1 5 TerranSupply SC2 Icon1 Vs Air: 16.00 DPS
Vs Ground: 46.88 DPS
PerditionTurret SC2 Icon1 Perdition Turret Anti-personal automated defensive structure that fires twin flamethrowers at a time.
(Upgrades to Flaming Betty variant at level 3)
150 Minerals Terran SC1 

(75 Minerals Terran SC1  Flaming Betty)

Vs Light: 26.67 DPS
Vs Armoured: 20.00 DPS
DevastationTurret SC2 Icon1 Devastation Turret Anti-armoured automated defensive structure that fires concussive grenades.
(Upgrades to Blaster Billy variant at level 3)
150 Minerals Terran SC1  Vs Light: 22.22 DPS
Vs Armoured: 44.44 DPS
MissileTurret SC2 Icon1 Missile Turret Anti-air automated defensive structure that fires two missiles at a time.
(Upgrades to Spinning Dizzy variant at level 3)
100 Minerals Terran SC1  Vs Air: 43.20 DPS
Vs Ground: N/A

Talent ProgressionEdit

Swann acquires the following talents as he levels up.

SC2 Swann AC - VehicleSpecialist
Vehicle Specialist

Swann trains vehicles and starships 20% faster than other Commanders. Building factories does not cost vespene gas.

Campaign Acquisition
Unlock Initially available
SC2 Swann AC - TurretUpgrades
Betty and the Gang

Devastation turrets are renamed Blaster Billy and have 3 increased attack range, for a total of 9. Attacks now slow enemy movement speed by 30%.

Missile turrets are renamed Spinning Dizzy and have 75 increased life, for a total of 325. Attacks now deal area damage.

Perdition turrets are renamed Flaming Betty and cost 50% less minerals, down to 75 minerals.

Campaign Acquisition
Unlock Reach Swann Level 3.
SC2 Swann AC - VespeneHarvester
Vespene Harvester

Calls down an automated harvester that gathers extra vespene for you and your ally from any friendly vespene gathering structure.

Campaign Acquisition
Unlock Reach Swann Level 5.
SC2 Swann AC - UnlockThor
Unlock: Thor

Allows Swann to build thors from the factory.

Heavy assault mech.

Can attack ground and air units.

Campaign Acquisition
Unlock Reach Swann Level 6.
SC2 Swann AC - FactoryUpgrades
Factory Upgrade Cache

Unlocks additional upgrades for goliaths, cyclones, and thors on the factory tech lab.
• Allow goliaths to attack ground and air units simultaneously.
• Increase the damage of the cyclone's Lock On ability by 50%.
• Unlocks the thor's 330mm Barrage Cannon ability, which stuns and deals damage to enemies in a target area.

Campaign Acquisition
Unlock Reach Swann Level 7.
SC2 Swann AC - ImprovedSCVs
Advanced Construction

Multiple SCVs can build a structure, reducing its construction time. Repair has no resource cost.

Campaign Acquisition
Unlock Reach Swann Level 8.
SC2 Swann AC - ArmoryUpgrades
Armory Upgrade Cache

Unlocks additional vehicle upgrades on the armory.
• Increase the attack range of all vehicle and ships by 1.
• Allow vehicles and ships to automatically heal themselves over time.

Campaign Acquisition
Unlock Reach Swann Level 9.
SC2 Swann AC - TechReactor
Tech Reactors

Combines tech lab and reactor add-ons, allowing two units of any type to be trained simultaneously.

Campaign Acquisition
Unlock Reach Swann Level 10
SC2 Swann AC - EngineeringBayUpgrades
Engineering Bay Upgrade Cache

Unlocks additional structure upgrades on the engineering bay.
• Allow structures to automatically extinguish fires and repair themselves to 50% of their maximum life.
• Increase attack speed of all turrets by 25%.

Campaign Acquisition
Unlock Reach Swann Level 11.
SC2 Swann AC - ImmortalityProtocol
Immortality Protocol

Allows destroyed thors and siege tanks to be rebuilt on the battlefield.

Campaign Acquisition
Unlock Reach Swann Level 12.
SC2 Swann AC - StarportUpgrades
Starport Upgrade Cache

Unlocks additional upgrades for wraith and science vessel on the starport tech lab.
• Upgrade wraiths to evade 20% of incomming damage while cloaked.
• Unlock the science vessel's Defensive Matrix ability, which surrounds a target with a shield that absorbs 200 damage over 20 seconds.

Campaign Acquisition
Unlock Reach Swann Level 13.
SC2 Swann AC - CombatDropUpgrade
Six for the Price of Four

Increases the number of A.R.E.S. war bots called down by Combat Drop by 2, for a total of 6.

Campaign Acquisition
Unlock Reach Swann Level 14.
SC2 Swann AC - MechnicalKnowhow
Mechnical Know-how

Increases the life of Swann's vehicles and starships by 20%.

Campaign Acquisition
Unlock Reach Swann Level 15.


Swann has access to a variety of Brood War and Starcraft II units; while he has many useful options, it is very upgrade heavy. Centered around building as many mechanical units as possible, Swann mixes up the old and the new with a variety of vespene gas-guzzling war-machines. Swann can construct factories without the need of a barracks or any vespene gas. To top it off, Swann also has access to the Drakken Laser Drill from the Wings of Liberty campaign after 300 seconds of build time.

Recommended masteries

Power Set 1: Concentrated Beam / Combat Drop

☀Concentrated Beam Width and Damage: +2% - 60% (minimum 400 damage; maximum 640 damage)

☀Combat Drop Duration and Life: +2%-60% (minimum 60s/400HP; maximum 96s/640HP)

A 19/11 split allows your Concentrated Beam to deal 552 damage, which is enough to one-shot the highest-HP standard unit in the game: the Battlecruiser. Combat Drop shores up Swann’s early game better and allows for your A.R.E.S. to tank more efficiently for your Siege Tanks in the mid- and late game.

Power Set 2: Immortality Protocol Cost and Build Time

☀Immortality Protocol Cost and Build Time: -2%-60%

Full points equates to more aggressive usage of siege tanks and thors. The ability to cheaply revive units is more important, especially because you then won’t be relying as much on your static defense on most maps. If you are only using goliaths on certain defensive maps and mutations, then Structure Health is probably a better choice.

Power Set 3: Vespene Harvester Cost

☀Vespene Harvester Cost: -3%-90% (100 minerals down to a minimum of 10 minerals)

With full mastery points, Swann reduces his total Drone cost on all 4 initial bases from 800 Minerals to 80 Minerals. This equates to cost-savings of 720 minerals early game and 50% increased gas production than normal for upgrades; all extremely useful for economic openers. Vespene Harvester Cost decrease is the clear choice here as Swann usually needs his extra gas income ASAP. Being able to afford Gas Harvesters much earlier in the game is a HUGE deal, as it allows Swann to ramp up his army earlier. Swann cannot depend on the Laser Drill to take out all attack waves and objectives consistently, and hence a stronger early-game army is more desirable.

Economy FirstEdit

Swann economy takes longer then most commanders to get started. A trick to expand faster is to build a devastator turret next to the expansion rocks after construction of the first factory. The turret will quickly destroy the rocks, and can be salvaged for a full refund after a base has been established. Once Improved SCVs is unlocked, ten SCVs can make the time needed to construct an expansion command center, while also saturating it immediately afterwards. Vespene harvesters should be placed on all vespene geysers, including those of the player's ally. These drones grant vespene to both players, and can kickstart Swann's economy and allow for production of heavier vespene units while giving more resources to more vespene reliant heroes like Vorazun. Use Combat Drop liberally against large waves, and try to target its drop as upon impact it stuns all enemy units around it.

Power of the SunEdit

The Drakken Laser Drill is one of the most useful tools in Swann's army, and its abilities allow it to cripple most attack waves in one go. However, upgrades do take a long time on it, so it is worthwhile to get them started as early as possible. As such is it useful to have an armory made before the drill comes online. The drill will auto target any unit that comes out of the fog of war, but try to focus the drill on higher priority targets such as spellcasters or hybrids. It can also alleviate plenty of trouble if the polarity mutator is in play.

Set Back a Pretty PennyEdit

Goliaths and Hellbats should be the core units of Swann's army. Goliath's superior anti-air range and flexible multi-lock upgrades are essential; it allows them to be a good source of damage for the army while staying back from the frontlines. The Hellbat's armor upgrade can put a buffer between the Swann's main army and the enemy forces. They excel against zerg armies, and are a good way to dump minerals if Swann begins to stockpile them while running low on gas. If possible, try to put out a pair of hellbats for early defense. While extremely effective once upgraded, Swann's hellbats are fairly fragile until their armor upgrades are researched. This can leave a Swann player stunned when their seemingly tough forces are destroyed.

Drop The HammerEdit

Siege tanks and thors are also powerful units, but become even more so when Immortality Protocol is unlocked and they can be reinforced on the frontlines instantly. Note that using Immortality Protocol, while cheaper and quicker than making a new unit, costs gas, so this does not mean that these units should be wasted carelessly. Siege tanks with their Maelstrom Shells become flexible against all kinds of targets, and on maps like Temple of the Past are key to holding off some of the larger attack waves. Know when to siege and when to stay mobile; never siege outside the effective-range and contribute minimal damage to a large battle. Thors are flexible, can absorb damage from enemy armies.

Get In My HoldEdit

Swann's Hercules dropships are much cheaper than in Wings of Liberty, take up less supply, and can make tactical jumps. A few dropships can immediately ferry an entire army of thors and siege tanks past chokepoints and dump them instantly wherever they are needed. This is a useful skill to master, particularly on maps where Swann has to defend an objective. Swann's critical weakness in terms of late-game offense is his speed, his thor and siege tank based army is painfully slow to reach objectives, forcing him to rely on wraiths and hellions for an impromptu and fragile defense.

Science HurtsEdit

Lastly, science vessels are one of the most essential units in Swann's arsenal. In addition to being Swann's detector unit, these ships can heal mechanical units for the cost of energy, but with Improved Nano-Repair they can repair indefinitely. This means that a group of four or five science vessels can keep an entire army going, putting them back up to maximum health between combat encounters fairly quickly. This also frees up the energy for the science vessel's other abilities, defensive matrix and irradiate, which can and should be used liberally.


Protoss CommandersEdit

Artanis grants Swann Guardian Shell, which has immense synergy for Swann's army in the mid to late game. In addition to keeping Swann's high cost units alive during heavy combat, Swann's science vessels mean that these units can be quickly recovered from the point of death. With siege tanks and thors, this gives them another backup in addition to Immortality Protocol. In addition, Artanis's army will usually consist of immortals, dragoons and sometimes tempests, which also benefit from Swann's ability to repair them.

Karax synergizes perfectly when paired with Swann, due to both commanders' focus on mechanical units and potent defense capabilities. Karax's powerful anti-ground forces with the immortal and colossus are well complemented by Swann's powerful anti-air goliath and thor. Both commanders also have units that excel against priority targets: cyclones, and immortals upgraded with shadow cannon. Swann's science vessels and Karax's carriers can repair mechanical units, and both can combine their static defenses together for more versatility; energizers can also be added for even more effectiveness since they can speed up static as well as army units. Karax is incredibly gas starved, and Swann goes a long way to alleviate this. This is the only way to obtain a true army of powerful units for Karax. Karax's passive heal of mechanical units comes in extremely handy in the early game; Swann's units are as strong as they are slow, making it more difficult for Swann to retreat in battle. Karax's reconstruction beam ability is particularly useful in this case. If all else fails and both players suffer great losses in battle, Karax can help both players recreate their armies faster than anyone else.

Vorazun greatly benefits from Swann's vespene harvester. In addition, well placed dark pylons can shield Swann's heavier back-line units such as siege tanks, and in the higher levels can give them a substantial damage increase. Mass-produced upgraded wraiths should also be prudent for the same reason. Vorazun can also use Black Hole to set enemy armies up for Swann's powerful calldown abilities, as well as his siege tanks and the science vessel's irradiate.

Alarak is an effective teammate for Swann. Both have access to transports, the war prism and Hercules, making them highly mobile. Goliaths and thors provide a powerful anti-air support to supplement Alarak's ground-focused army. Science vessels and SCVs can repair Alarak's powerful robotic units. Swann's vespene harvesters are invaluable; allowing Alarak to upgrade and train his ascendants in large numbers.

Fenix is an excellent teammate for Swann. Many of Fenix's units are heavy on gas in spite of their cost reduction, so having a boost to economy will help Fenix's army hit its population cap faster. The largest benefit Swann adds to Fenix's arsenal is science vessels, as all of his army is mechanical and has no self heal. This allows his normally squishy army to be more durable. Fenix's suits, legionaries and Kaldalis can also serve as a buffer for Swann's mech line, and Swann can also serve to help Fenix's lack of reliable anti-air with goliaths. However, both armies take a long while to replace, so a bad engagement could mean both commanders fall too far behind to recover.

Terran CommandersEdit

Raynor's army is perfectly functional without any aid from Swann's units, and vice-versa. However, one strategy that works to maximize efficiency is for Raynor to focus on an air army of banshees and vikings, as Swann's air game is weak, but he has a stronger ground game with hellbats, siege tanks, and thors. With such a strategy Swann can also use his science vessels to support Raynor's aerial forces. Swann also can provide Raynor with unattached tech reactors, accelerating his production of advanced units such as marauders and battlecruisers.

Nova can benefit a great deal from Swann's vespene harvesters, but otherwise her unit quality is far superior to Swann's (with the exception of Swann having thors and cyclones). Science Vessels can help keep Nova's mechanized units alive while not requiring her to make ravens, and Swann's static defenses easily compensate for Nova's poor defensive structures. Tech reactors don't help Nova's production, as her unit calldowns are cooldown-based. Additionally, Swann's laser drill can work in tandem with Nova as she dismantles enemy bases.

Han and Horner have amazing synergy with Swann. Swann has access to vespene extractors, allowing the gas heavy late game fleet of Han and Horner to get out built quicker. Science vessels can also repair many of their more expensive mechanical units as well as beefier frontline hellbats. Han and Horner meanwhile can screen for siege tank likes with their expendable armies (and slow or apply fear effects to advancing enemies), give them more damage to targets with their Theia ravens, and provide vision for the laser drill with their strike fighters, which can constantly damage structures while the laser drill provides extra support. Swann players that go heavy goliath allow Han and Horner to focus less on anti-air. Swann also has powerful defensive turrets to help hold positions while Han and Horner push.

Zerg CommandersEdit

Vespene harvesters are a boon to ultralisk and mutalisk production for Kerrigan and baneling production for Zagara. It is efficient for Swann to focus on a powerful ground army while Kerrigan/Zagara gets an air force to support them. Kerrigan's Nydus Worms can also help out with Swann's poor mobility.

Abathur is another good choice for Swann. Vespene harvesters allow Abathur to gain much needed gas for later game units and high tier research. Many of Swann's units have high range, which allows Abathur's shorter ranged, high health ground army to create a buffer between the enemy and high priority targets. Abathur's Swarm Queens can also be upgraded to heal mechanical units in the Evolution Chamber on high levels, and Swann's Science Vessels can cast Defensive Matrix on Abathur's already durable front line units, allowing both armies to be virtually indestructible.

Stukov does not benefit from Swann's vespene drones in a major way, but Stukov's forces compliment Swann's forces very well. Swann can provide a more expensive siege line while Stukov's disposable waves on infested create a buffer zone, protecting Swann's units and keeping the enemies in the area of maximum damage for his siege tanks. Swann's science vessels can heal Stukov's mechanical army. In addition, on defensive maps infested bunkers and the infest structure ability allow for aid on Swann's siege tanks and turrets even from long distances. Swann's drill meanwhile can be used to clear the way for infested waves that are struggling to break through a defensive line.

Dehaka and Swann are deceptively strong together. One of Dehaka’s major issues in the later game is gas consumption with his army, a problem Swann and his vespene drones help mitigate. This also allows Dehaka to potentially transition into an air combination, something usually hard without suffering midgame. Swann also has a long ranged army with high damage that suffers in melee, while Dehaka has a low to mid-range army with heavy armored melee units. This allows Swann to deal heavy damage with goliaths and siege tanks while Dehaka does the brunt of the fighting. In addition, with how early Dehaka comes out, he can keep the first attack wave at bay without Swann having to use his ARES warbot calldown.



CoopSwann SC2-LotV AchieveIcon1 Combat Ready

10 Achievement SC2 Game1


Kill 25 units with Swann's Combat Drop before they expire on Hard difficulty.

CoopSwann SC2-LotV AchieveIcon2 Drop 'Em Dead

10 Achievement SC2 Game1


Kill 250 units with Swann's Combat Drop.

CoopSwann SC2-LotV AchieveIcon3 The Power of the Sun at Your Fingertips

10 Achievement SC2 Game1


Deal 20,000 damage in a single mission with Swann's Drakken Laser Drill on Hard difficulty.

CoopSwann SC2-LotV AchieveIcon4 Smooth Operator

10 Achievement SC2 Game1


Harvest 100,000 Vespene Gas for your ally with Rory Swann's Vespene Harvester.

CoopSwann SC2-LotV AchieveIconMaster Awaken the Bear

20 Achievement SC2 Game1


Complete all the Commander Swann archivements.

SwannCoop SC2Portrait Swann portrait


CoopLevel SC2-LotV AchieveIconSwann1 Swann: Level 5

10 Achievement SC2 Game1


Reach level 5 with Rory Swann.

CoopLevel SC2-LotV AchieveIconSwann2 Swann: Level 10

10 Achievement SC2 Game1


Reach level 10 with Rory Swann.

CoopLevel SC2-LotV AchieveIconSwann3 Swann: Level 15

10 Achievement SC2 Game1


Reach level 15 with Rory Swann.



Data in the Galaxy Editor points to Swann having access to diamondbacks at some point in development.[3]


  • In Patch 3.15, Swann was given his own unique interface, giving it a "rougher" mechanical terran look.


  1. 1.0 1.1 1.2 2015-9-25, Co-op Missions: Additional Commanders Revealed., accessed on 2015-9-25
  2. 2.0 2.1 2015-10-30, Legacy of the Void Features: Co-op Missions. Blizzard Entertainment, accessed on 2015-11-01
  3. Blizzard Entertainment. StarCraft II: Legacy of the Void Map Editor. (Activision Blizzard) (in English). November 10, 2015