Enemy necrotic minions do not degrade over time. This may only be after you kill their summoner.
Re: [b34] Enemy Minion degradation
Posted: Mon Oct 03, 2011 3:44 am
by lukep
More info: I now believe that Necrotic Auras stay in the area forever after the death of the caster, as getting far enough away seemed to let minions degrade.