My Huntress got stuck in a boss fight and can't get out! Plss help.

I was doing a map in the endgame and when o got to the final boss was Zahmir, the blade sovereign. When i beat the first form he desapear and didnt start the rest of the fight. Now i am at boss room can't get out cus the game think the boss still there. I can't teleport base. And if i log out i came back at the room stuck!! Pls help me i wanna play the game