Heliolisk

Causes 1/8 max HP in damage each turn during strong sunlight, but heals for 1/8 max HP during rain. Increases damage from Fire moves to 1.25×, but absorbs Water moves, healing for 1/4 max HP.

Increases evasion to 1.25× during a sandstorm. Protects against sandstorm damage.

Increases Special Attack to 1.5× but costs 1/8 max HP after each turn during strong sunlight.