Wham!
A glowing shield ricocheted off Goldtooth's chest, dealing 320 points of Holy damage. The force sent it careening into Snarlfang next, slamming into the beast for another 170 damage.
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Avenger's Shield: Hurls a holy shield at the target, dealing Holy damage, interrupting spellcasting, and silencing them for 3 seconds. Bounces to up to three enemies. Costs mana, grants 1 Divine Power. 30-second cooldown.
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Ryan had just used Avenger's Shield, a powerful ability unlocked when he specialized in the Protection path. Not only did it inflict solid Holy damage to both bosses, but more importantly, it interrupted Goldtooth's spellcasting and firmly secured their aggro. That was key.