Some devil fruits in One Piece are not easy to use effectively, and that is especially the case for these particular ones.

One Piece has had a lot of emotional moments but one particular scene from Dressrosa about Luffy would make every fan cry ...

Chopper's Brain Point was a strategic finisher ... these seemingly useful abilities have been missing since as early as the pre-time skip era of One Piece. Although the crew may have no use ...