When the servers are clustered, you might come up against Kippie, the Light Eldritch of Excalibur--owned by Vodkafairy (VF). Below is a practice sheet for casters who need to be targeting and killing him ASAP(*)!
(* = also of use for general Luwi-killers everywhere!)
(* = also of use for general Luwi-killers everywhere!)