Shadow Shield — Pokémon Ability

When this Pokémon has full HP, regular damage from moves is halved.

Effect notes

When this Pokémon has full HP, regular damage (not fixed damage!) from moves is halved. This ability cannot be nullified.

sun moon	Reduces the amount of damage the Pokémon takes while its HP is full.
ultra sun ultra moon	Reduces the amount of damage the Pokémon takes while its HP is full.
lets go pikachu lets go eevee	Reduces the amount of damage the Pokémon takes while its HP is full.
sword shield	Reduces the amount of damage the Pokémon takes while its HP is full.