Thanks for that advice.
I've never been one for NPC drowning (not playing on Insane), but I find that isolating Last Hope guards, sticking them in the water, and hitting them with Possess right as they drown creates a very strong start that propelled me past the uninspiring beginning. Mechanical Arms, in particular, was a beautiful combo with Psionic Disruption.
won Insane without drowning and other cheats.
yeah, it's hard at first lvls, but when you possess first boss/rare with huge hp and open vault with lvl20+ to possess them, game is turning to ezmode.
Madness is really hard, but insane is easy for possessor from mid to high lvl. Bossess/rares with defensive skills and huge hp pool (from 5k to 18k at end). Needless to say, i lvled from lvl35 to 44 inside ONE dragon body and lost only half HP.
Well madness is really different from any previous difficulties. But i found it interesting because it forcing you to use territory bonuses (heal area and etc).