Read this info on [TR36] Heat Wave in Pokemon Sword Shield: Isle of Armor! Check out where to get it, and what Pokemon can learn Heat Wave!
Heat Wave Stats & Where To Get
[TR36] Heat Wave
|Description||The user attacks by exhaling hot breath on opposing Pokemon. This may also leave those Pokemon with a burn.|
|How To Get||Raid Battle Reward: Rare Drops from raid bosses that is the same type with the move type.|
(Exceptions exist based on Area and Den)
Pokemon That Can Learn Heat Wave
* Can be searched with Pokemon name.