Read this info on [TM29] Charm in Pokemon Sword Shield: Isle of Armor! Check out where to get it, and what Pokemon can learn Charm!
Charm Stats & Where To Get
|Description||The user gazes at the target rather charmingly, making it less wary. This harshly lowers the target's Attack stat.|
|How To Get||Hammerlocke|
Pokemon That Can Learn Charm
* Can be searched with Pokemon name.