Is therea way to dump bosses\uniques?

[GlassGo]

I have met some crazy unique in Farportal (Nightmare), wild mix of umbral horror, oozemacer, brawler and thief.
So f I want some advice, I need his dump file.
6.5 R life, 150 melee dmg, shadows 57 lvl, with blindside dmg = 200, and other stuff.
I feel he can kill me in 2-3 turn in melee, and in open space shadows kill me also.
So, dump?
Also, almost forgot lol - my char is Solipsist, and this unique has higher Mindsave than char's Mindpower.