#1 - Sept. 12, 2011, 7:56 p.m.
"Kenneth was slain by a !!Missing!! - Monsters:MonsterAffix_ArcaneEnchanted_PetOnDeath!"
Which I don't think is exactly what you're going for.
09/07/2011 09:20 AMPosted by VasadanHydras that are spawned by killing Arcane-affixed Hydras display the name "!!Missing!!". This will be fixed for launch.