Leaning to taking Ty Lee out. She was basically a lackey to Azula who was the true villain. When it became obvious (well more obvious) Azula was a psycho she turned against her with Mai
Take Millenia out as well if anything she was somewhat neutral for the first quarter / first half of the game (get power ups or whatever) she was nice to Roan, want to have some fun, made the mother feel better kind of / whatever in that misty village etc) it was clearer she was not a villain by the melfice arc (saved / fell in love with MC as mentioned instead of just taking the power up). Told the main villain to **** off. Helped save the world / take out main villain, became a teacher at the end etc.
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XBL GT: Demon Ninja X2
"There comes a time in every man's or woman's life where they have to make **** up to cover their ass." - Hazama