The combat round ends as soon you are dead (at least in melee), so who's to say that that was the last of mimic's attack?
On a related though,. Imagine an unspoiled player taking on the guy without -Para. If I ever get to finishing my lvl 50 priest (last play session ended with killing Ssrraxx; a lot of things left to do - Ice Queen domain, Scintillating Cave and Filk as well as whipping myself to neutrality - possibly the hardest part), I will be able to document my adventures on Chaos Plane in more detail and may drop a call here for spectating (the savefile is on the server).
Good luck getting to 20 Toughness with nerf to -stat- potions and PoGAs (herb overtraining aside which is hopefully finally fixed in p22).