Only in Ultra Sun & Ultra Moon
SOS Encounter: Resolution Cave
Walk: Resolution Cave (15%)
Its base catch rate is 45 out of 255 (higher is easier); the catch rate calculator works out your odds with each ball. For the look, the best colour match is Moon Ball, Dream Ball or Dusk Ball.
Evolution: Noibat → Noivern (Level 48).
Noivern in every game · Pokémon Sun, Moon, Ultra Sun & Ultra Moon interactive map (Alola)