Hala's Crabominable is the evolved form of
Hala's Crabrawler.
Hala went with the Pokémon School class to Ula'ula Island near Mount Lanakila so they could watch it evolve. After winning a battle with a Sneasel, it evolved.
It participated with
Hala in the Pokémon Sled Jump Games and it got first place in the Special Move Competition. For winning, the Pokémon Sled Jump master presented them with his sled from 99 years ago.