The following description applies to MOD 16 - Undermountain.
Enhancement Power: Chance on hit to reduce an enemy's awareness by up to 2,000 for 15 seconds when your companion is near. The value of the debuff depends on the quality of your summoned pet.
Player Bonus Power: On Daily us, against targets not at full health, increase your power by 1,000 for 10 seconds. This can only occur once every 10 seconds. Each additional equipped Archon player bonus increases this bonus up to 1,000.