From Destinypedia, the Destiny wiki
Elite Royal Guard
Leviathan Leviathan, Eater of Worlds
Cabal Slug Launcher Cabal Cluster Missiles
Blindness Effect Slowness Effect High Durability Limited Flight Quake Attack
Loyalist Colossi are a more powerful variant of the Colossus appearing in the Leviathan Raid and the Eater of Worlds Raid Lair.