Saw my first one today . I was swimming with my dunky and all of a sudden a Tornado thing was killing me . I didn’t even know this was thing so I woke up in my bed confused. I later jump on my meg , swim down there and low and behold he is dealing 434 damage . I killed it and no joke a alpha mosa spawns on top of me . yeah as you can probably tell my meg got destroyed by it , this event had put me off water adventures for now.