You don't need healing or golems, you just need your conjuror and his shadow casting Time Warp to deny your opponent any action. With high enough quickness and 100% starting action (shards!), you can solo any difficulty, and always get flawless. It's a lot faster if you have a bunch of area attacks with high crit chance, though, say a sorceror (plus shadow) and an inquisitor (with a barbed brutaliser for further action denial).