How to get it Lying on the groundLoose item spots pick one item from their area's list each time they fill, and Skill Fruit: Pal Blast is on these lists. Chance per spot:
The World Tree 0.6% 690 spots Feybreak 0.4% 3,588 spots Sunreach 0.4% 574 spots The desert 0.04% 429 spots The volcano 0.03% 219 spots Sakurajima 0.03% 347 spots Show the spots on the map Find it on the mapEvery spot from the game files. Open the map to see them all.
More are found inside dungeons (4 spots for Skill fruit trees). Dungeons are underground, so those spots aren't on the surface map: go in through a cave entrance or a Sealed Realm.
How to use itOpen your Pal box or party, pick a Pal, choose “Use item” and feed it the fruit to teach that move. Any Pal can learn it.