Question: what is pikachu's z move?
Answer: Generation VII. Z-Crystals. The Pikashunium Z (Japanese: サトピカＺ Satopika Z) is a type of Z-Crystal introduced in Pokémon Sun and Moon. It is a Pokémon-specific Z-Crystal associated with Pikachu in a cap and allows it to upgrade its Thunderbolt into the special Z-Move 10,000,000 Volt Thunderbolt.