Djinn boss in mapping coin bug

This is my first time facing the Djinn this season in mapping as a unique, so I do not know if it's all the time, but it was bugged where no matter how long I stood on the coins she would not teleport to me to destroy them, regardless of if it was the initial throw or the coin respawning after you kill the clone. Ended up with 15+ clones at a time.

Same thing happens with me,in two fights out of two. I think its a bug,too much clones otherwise(