Read this info on [TR64] Focus Blast in Pokemon Sword Shield: Isle of Armor! Check out where to get it, and what Pokemon can learn Focus Blast!
Focus Blast Stats & Where To Get
[TR64] Focus Blast
|Description||The user heightens its mental focus and unleashes its power. This may also lower the target's Sp. Def stat.|
|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 Focus Blast
* Can be searched with Pokemon name.