I‘ve finally managed to take pictures of that issue: As soon as the Alpha (this time Bewilderbeast) uses its special ability it uses one of my turns. Is that intended? You have to break ice / vines / let bombs explode / dispel gas in addition to losing one turn to the Alpha?
Pictures below show:
Board and left turns before using the blue special tile
Board and left turns after using blue special tile but before / while Alpha uses its ability
Board and left turns after Alpha finished using ability