After 27 years of the franchise's run and over 1,000 unique Pokémon species available in the main games, the collective movepool available for these creatures has been fleshed out with many powerful attacks to use in competitive formats. Each mainline installment to the video game series introduces new moves to shake up both story playthroughs and the metagame.
Source:https://www.cbr.com/pokemon-games-best-attacks-ranked/