In custom maps, there is a random occurrence where a hero, upon death, becomes stuck, suspended, or floating in mid-air.
When this phenomenon occurs, the hero can never be controlled again. If an Altar of Kings is present, the hero’s Revive button appears but is greyed out and cannot be selected.
The game screenshot showing the error is as follows:
meee.com.tw/BlmU3Lj
meee.com.tw/GODTKlX