Get Cemetary Arena:
Finish Level 2 with a Slayer Rank
Get Initiative Arena:
Finish Level 8 with a Slayer Rank
Get Quarry Arena:
Finish Level 11 with a Slayer Rank
Unlock Characters:
Get the following characters by completing the missions indicated with the rating indicated:
Mission Rating Character Unlocked
1 Professional Male Vampire
1 Slayer Female Vampire
2 Professional Zombie Skeleton
3 Professional Zombie Demon
3 Slayer Tara
4 Professional Bat Beast
4 Slayer Zombie Devil
5 Professional Materani
6 Professional Psycho Patient
6 Slayer Sid the Dummy
7 Professional S