Only in Sword
Max Raid Battle: Ballimere Lake, Frigid Sea, Giant's Bed + 2 more
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 Heavy Ball or Timer Ball.
Evolution: Bagon → Shelgon (Level 30) → Salamence (Level 50).
Shelgon in every game · Pokémon Sword & Shield interactive map (Galar)