The user lays a trap of spikes at the opposing team’s feet. The trap hurts Pokémon that switch into battle.
Scatters spikes around the opposing field, which damage opposing Pokémon that enter the field for 1/8 of their max HP. Pokémon immune to Ground moves are immune to this damage, except during Gravity. Up to three layers of spikes may be laid down, adding 1/16 to the damage done: two layers of spikes damage for 3/16 max HP, and three layers damage for 1/4 max HP.