TR55

TR55 teaches a move to a compatible Pokémon in Pokémon Sword & Shield. Technical Records are consumed after use, but can be re-bought from Watt Traders. TR55 is Flare Blitz.

Game descriptions

Sword, Shield:(Watt Trader - 8000W)
Sword, Shield, B.Diamond, S.Pearl:The user cloaks itself in fire and charges the target. This also damages the user quite a lot. This attack may leave the target with a burn.
Scarlet, Violet:The user cloaks itself in fire and charges the target. This also damages the user quite a lot. This attack may leave the target with a burn.