You copy the shape, attributes and skills of any damaging enemy for 15 seconds.
Gelatinous Puddle
You slide at a location up to 50 yards away. Cooldown: 3 seconds.
Explainer
Fantasy: Slime, Plasmoïd, Shapeshifting, Any class Best attributes: Depends on the creatures copied Gameplay: Mimic [1] + Gelatinous Puddle [Right Click] King Slime: Enemies that do not deal damage cannot be copied (Ex: Treasure Goblins). Legacy of Dreams increases global damage and reduces damage taken.
D3 has one already, in the Vault. However, it doesn’t do anything. Greed can produce additional enemies which can be blue goblins though seemingly extremely rare (in my experience.)