Why is my Pokemon's Leech Seed not working?

Question

I used it against Calem/Serena's Clefable in Y, and it's been over three turns and nothing has happened. I tried using it again, but then it failed. Why isn't Leech Seed working? Is it because of Clefable's ability, whatever that may be?

Comments

Has this problem ever happened again?

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I haven't rebattled it yet. I'll let you know when I do.

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Alright. After you battle it let me know what happened k

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All right :)

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I'm sorry for the unhelpful anwser :(

Answer 1

Calem/Serena's Clefable ability is Magic Guard meaning it only takes damage from attacks. Moves like Leech Seed, Toxic, Will-o-Wisp, etc. will not do any damage to it whatsoever.