Zelina & Zolin

I playing with Witch (minion+essence drain)
1.) Zelina constantly heals herself (life steal) while causing bleeding damage (with about 3-4 consecutive attacks).
I pretty much solved this with Charms available from the Market (it took 3 ani-bleeding charm).
Another problem is that Zelina is constantly moving and following me. The minions can't corner her or distract her.

2.) Okay, I manage to kill her. Zolin gains more life from her corpse (!!) than I damage dealt to he. He can repeat this ability as many times as he wants.
The Acrimony (anti-heal) support gem is completely useless and doesn't work.

I don't want to copy one of the two working/META witch builds. So far, no boss has caused such an unsolvable problem for me.