Arakka used to be a Bloodletter. He failed Khorne, but through some fickle fate, retained his Mortal form.

Vowing to die on the fields, he joined the only Chaos team that would accept him. Farquarok welcomes him, not because Khornes fury chases him, But because he wishes to die. Die and kill. More Blood for Sargarok. Demon or Human