The Black Grass Raid was a battle between the zerg and protoss on the planet Tepperus. During the battle, the zealot Teredal used the tendons of a dead hydralisk to bind the wounds of a praetor, saving his life.[1]


  1. Dayton, Cameron. "Cold Symmetry." (March 7, 2013). Blizzard Entertainment. StarCraft Lore: Cold Symmetry Accessed 2013-03-07.