Quote Originally Posted by Skyblade
Fang doesn't have access to the Ravager role until after this fight, however. It isn't until the start of the next chapter that all roles are unlocked. She's currently stuck with Sentinel, Commando, and Saboteur.
Oops, you can tell I haven't played in a while. But yeah, still do that when you're first able to.

I agree with most of Skyblade's battle suggestions. Sentinels were useless for most of the game up until that point, but they become very, very useful.