What makes death eaters so bad?

They Work For Voldemort By THEIR OWN FREE WILL

So?

Marry Voldemort. Call up Harry Potter, let 'em have a fight, Harry will win and I'll be rooting for him the whole time, and nobody can blame me because I wanted him dead. I'd know every single detail of Voldemort's plans...

Bit dis post gonna b locked so yea ;-;

Jewelstar warriorfan,Smart.