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Leech Seed (Japanese: やどりぎのタネ Mistletoe Seed) is a slightly inaccurate non-damaging Grass-type move introduced in Generation I.
Leech Seed plants a seed on the opponent. At the end of each of its turns that it is under the
effect of Leech Seed, 1/16th of the opponent's HP will be drained, and the same amount of HP
will be restored to your active pokémon (even if it was not the Pokémon that originally used
the attack). Recurrent Leech Seed draining will not occur if the seeded Pokémon knocks out an
opponent. Unlike other types of damage, the recurrent damage done by Leech Seed can exceed the
opponent's current HP.
If the opponent has less than 16 HP, Leech Seed will drain 1 HP per turn. Leech Seed draining
will occur even if the seeded Pokémon knocks itself out with crash damage, recoil damage, or
self-inflicted confusion damage, or by making a Substitute before the end of its turn. Draining
from Leech Seed is done after continuing partial trapping damage and recurrent poison or burn
damage. Leech Seed can be removed by Haze or switching. If the opponent is seeded during a
round that it switches in, it will take recurrent damage during that round, but only if its
speed is less than or equal to the user's speed.
If the opponent is also under the effect of Toxic, Leech Seed will increase the N value of
of Toxic by 1 per turn. If the current HP of the recipient of Leech Seed's HP-restoring effect
is greater than its maximum HP, its current HP will be set equal to its maximum HP.
Leech Seed will not work against grass types.
In Stadium, Leech Seed will not work against a substitute.
In other languages
French: Vampigraine, German: Egelsamen, Italian: Parassiseme, Spanish: Drenadoras.
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