Quote Originally Posted by Wraith View Post
You could conceivably get around it by how you define "satisfaction". Or even "killed".

Tyranids notoriously eat what they kill, so even a tiny moment of satisfaction (pleasing taste, sating their hunger) might qualify for the former.

A Necron Lord sends 2,000 mindless Warriors to wipe out a Chaos Army and, when they return victorious, is satisfied that they have fulfilled their duty. In a sense, that Lord has 'killed' Lucius by using his army as the 'weapon' for the latter.

Given that we're talking about a particularly fickle Chaos God doing the choosing, either are perfectly plausible.
Read this really nice fic once where Kharn offed Lucius then offed himself via self chain-axe decapitation. That might be the only way to do it...