The babau is a blood demon, a bloodthirsty militaristic demon who serves the demon lord. 

You're smart and confident, but also in love with your job, which is killing heroes (or civilians, as the case may be -- you just like spilling blood). 

The audition lines are from the introductory cutscene where the heroes first encounter you, and you're intimidating them and issuing commands before combat begins.

7 lines, total compensation $40