Rougad the Jokester ( Castle Mischief Raid)

How to kill this name?During the fight, dolls appear. As far as I understand, their HP needs to be 50 percent so that the name does not heal. But here’s the problem - we can’t select these dolls and see how much HP they have.There are also objects to mark in the zone, and what should you do with them?Unfortunately, I didn’t find any description or video for this zone, so I would be glad for any tips on how to pass it.