Level 1- Kat- YAAAAAA!!!!!! BOOOM! My friend calls her the soul eater cause it looks like she eats the core. Level 2- Kat- I like activating it right as other characters activate theirs so then they waste them. Also You control her lv2 in 3 ways. Level 3- Jak- Just godly... And makes up for his 1 and 2.