Okay. Somehow she hadn't heard him. He lashed out with his claws, hoping to catch her off guard. Which he did, but even he could tell it didn't do much.
Spoiler: OOC
To hit: (1d20+4)[19]
Damage: (1d3+1)[3] + (1d6)[2] sneak attack
Off chance of crit Damage: (1d3+1)[4]