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Brothers in Arms

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Sky Shield


Shakuras Mission: Amon's Reach or
Purifier Mission: Forbidden Weapon or
Ulnar Mission: Temple of Unification

Brothers in Arms
Marine Hybrid SC2-LotV Cncpt

End War


Legacy of the Void




Korhal, Augustgrad, Bennet Port


TerranDominion Logo2a Terran Dominion
DaelaamRegalia SC2 Decal1 Daelaam

HybridHonors SC2 Decal1 Amon's Forces


TerranDominion Logo2a Commander Jim Raynor
TerranDominion Logo2a Emperor Valerian Mengsk
Khalai SC2-LotV Logo1 Hierarch Artanis

  • Recover the Keystone
  • Raynor's command center must survive
  • Valerian's command center must survive
Optional Objective(s)

Secure research facilities (3) (+5 solarite each)


Annihilator available at War Council

  • Bonus +15 solarite
New Unit(s)


Brothers in Arms is a mission in the campaign of Legacy of the Void, and the second mission in the Moebius Corps storyline.



While Hierarch Artanis and Commander Raynor were occupied stabilizing Sky Shield, Moebius Corps raided the Imperial Palace and stole the Keystone. They retreated to an entrenched position at Bennet Port, where they were preparing to take the artifact off world. Raynor, Artanis and Emperor Valerian Mengsk sent forces to intercept them.[1]


Raynor and Artanis arrived and set up their bases, with Valerian's forces getting delayed. Several hybrid dominators began channeling void energy into the Keystone, stunning all terran forces on the field but leaving the protoss and the hybrid unaffected. In order to combat the hybrid Artanis deployed immortals to provide heavy assault support. Valerian noted that there were research stations with personnel that were unable to evacuate. If Artanis helped them, Valerian would return any protoss technology within, including some solarite.

The combined Daelaam/Dominion force broke through the Moebius Corps and hybrid position, destroying the containment unit housing the Keystone. Artanis warped the artifact aboard the Spear of Adun.[1]


"Damn, look at this place... Even the zerg didn't tear into the city like this."

- Commander Jim Raynor on the ruins of Bennet Port(src)

Moebius Corps and the hybrid were driven off of the planet, but at great cost to the Dominion. Augustgrad was in ruins, with countless terrans dead. Valerian and Admiral Matt Horner surveyed the dead and aided wounded. Artanis and Raynor looked upon the destruction, and Raynor said that if Zeratul believed he could make a difference, then the fight had just begun. Raynor and Artanis shook hands, and Artanis was warped aboard the Spear of Adun.[2]


The player spawns on the west side of the map, with Raynor and Valerian's bases to the north and south respectively. The player must push with the allied Dominion forces to the artifact in the far east. At certain intervals the Keystone will stun all terrans on the map and a wave of hybrids will push. This opportunity can be used either to defend the terran bases or to push into the Moebius bases and destroy their structures, though there are hybrids defending Moebius bases. Rescuing the research teams will both provide solarite and spawn support units for the allied terrans. As the Moebius bases are destroyed, allied Dominion forces will set up outposts, letting them push in further.

A force of immortals and stalkers can break through the Moebius lines, as they excel at destroying the heavily armored hybrid and take down buildings fast. As the allied terrans will usually be outgunned, it is recommended that the terrans be defended from the hybrid wave during the global stun, and whatever time is left can be used to destroy the Moebius bases. [1]

Starcraft 2 - BROTHERS IN ARMS - Brutal (All Achievements) LOTV 721:20

Starcraft 2 - BROTHERS IN ARMS - Brutal (All Achievements) LOTV 7.


BrothersInArms SC2-LotV AchieveIcon1 Brothers in Arms

10 Achievement SC2 Game1


Complete the “Brothers in Arms” mission in the Legacy of the Void campaign.

BrothersInArms SC2-LotV AchieveIcon3 Mental Breakdown

10 Achievement SC2 Game1


Destroy 80 or more enemies affected by the disruption on the “Brothers in Arms” mission.

BrothersInArms SC2-LotV AchieveIcon2 For the Alliance

10 Achievement SC2 Game1


Do not let your allies lose more than 5 base structures in “Brothers in Arms” on Normal difficulty.


The achievement name is a reference to the Alliance from the Warcraft series.

BrothersInArms SC2-LotV MasteryAchieveIcon Disruption Junction

10 Achievement SC2 Game1


Destroy 55 enemy structures during a single Disruption in “Brothers in Arms” on Hard difficulty.


The achievement name is a reference to the Schoolhouse Rock! song Conjunction Junction.



  • Data in the map editor suggests that the Bucephalus was supposed to appear near Valerian Mensgk's base during the mission. However, it is not present in the final version.[1]
  • In the southeast corner of the map there is a Mohican ATV labeled "Shiny New Car." If destroyed, a marine will come out of a nearby building and say "Oh man! My car! Why does this keep happening?" This is a reference to the Torrasque evolution mission in Heart of the Swarm, which contained a similar easter egg.


  1. 1.0 1.1 1.2 1.3 Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Mission: Legacy of the Void, Brothers in Arms (in English). 2015-11-10.
  2. Blizzard Entertainment. StarCraft II: Legacy of the Void. (Activision Blizzard). PC. Cinematic: Warriors. (in English). 2015.

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