Forewarn in Pokémon Ultra Sun & Ultra Moon

When it enters a battle, the Pokémon can tell one of the moves an opposing Pokémon has.

Reveals an opposing move with the highest assigned power.

On entering battle, this Pokémon reveals an opposing move with the highest assigned power, choosing randomly among ties. One-hit knockout moves rank at 150, Counter/Mirror Coat/Metal Burst at 120, and other damaging moves with no displayed power at 80. Status moves rank at 1. In Ultra Sun and Ultra Moon, Hidden Power uses its displayed power of 60; Beat Up ranks at 80. Other moves with a displayed power use that value.