As he prepares to attack, Thorik sees the spirit rise away from him before unleashing its blast, and he takes advantage of the chance to try one last swing before it gets away.

Spoiler: Attack of Opportunity
Show

Effects:
power attack: -1 attack for +2 dmg

Actions:
1st attack=(1d20+10)[17]; damage=(1d10+9)[14] magic slash
miss chance (high = success) (1d100)[53]