MOUNTS OF MAYHEM ADDING:THE NAUTILAS a tameable underwater pet.the spear a new for bumping enemies of their rides.the zombie horse coming to survival.the zombie nautilas a zombie version of the rideable nautilas mainly for the use of drowned zombies... tthat is all minecraft LIVE leaked about mounts of mayhem for now after the copper age update releases they will give more info on mounts of mayhem