Since there is a lot of water in Sea of Thieves, I thought it would be fun to have several different animations for jumping into water, like diving head first, or doing a cannonball, or even doing stunts midair.

This could also be used for fun mini games (i. a. hosted by streamers) like dives from high elevations and spectators rate the jumps

Lastly it would feel real good and refreshing to dive from your ship into that beautiful azure blue water with a neat first person animation.