What is the use of the Heart Scale in the newer games?

Question

You don’t need them to relearn moves any more, so is there any other uses for this item?

Answer 1

They don't exist in any games where move relearning is free (SwSh, PLA, SV). If you were to hack one into your game, their only purpose would be to sell.

Comments

Thanks! Why do they have an S/V description though?

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Game Freak often leaves unused items in the code instead of deleting them.

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https://pokemondb.net/pokebase/396543/what-purpose-items-having-descriptions-games-where-they-exist