Quote Originally Posted by Mahrze View Post
Delirium only costs Blood, it returns mana. TBN costs mana and returns blood if broken. So those are resource swaps, still worse than Sheltron or Infuriate.
IMO time is also a resource. So blood and long recast. And you mostly want Delirium for the BP/BW extension anyway.

The skill that is the most offensive is Dark Passenger with it's 2400/4800 MP cost and 30 second recast for very low damage.