Soulburn - Beams of energy strike the target inflicting 11 Nature damage every 1.5 sec and reducing movement speed by 25% for 6 sec.
Soulforged Construct - Consumes the souls of nearby trolls upon their death, increasing the Colossus' damage done by 25% and healing it for 25% of the Colossus' maximum life.
Zuldazar
Doom Gaze - Beams of energy strike the target inflicting Nature damage every 1.5 sec for 3 sec.