how to get achievements "Twisted twister" and " Castlevanic!"

[蔣渭水]

i try but can't get

[NotSoKungFuPanda]

You need 6 cheerleaders buffing 1 mace spinner

[Geneosis]

For castlevanic just put a bunch of healers behind you, possess a knight, and kill waves of vampires until you get it ^^

[蔣渭水]

thanks