Read this info on [TM23] Thief in Pokemon Sword Shield: Isle of Armor! Check out where to get it, and what Pokemon can learn Thief!
Thief Stats & Where To Get
|Description||The user attacks and steals the target's held item simultaneously. The user can't steal an item if it already holds an item.|
|How To Get||Pokemon Center next to Route 6 at Hammerlocke (10000)|
Pokemon That Can Learn Thief
* Can be searched with Pokemon name.