Psychic: A powerful STAB (Same Type Attack Bonus) move that deals Psychic-type damage.
Dazzling Gleam: Another powerful STAB move that deals Fairy-type damage. It also has a 10% chance of paralyzing the opponent.
Shadow Ball: A Ghost-type move that deals significant damage and has a high critical hit chance.
Calm Mind: A status-enhancing move that boosts Espeon's Special Attack and Special Defense stats, making it even more potent.
Stored Power: A powerful Psychic-type move that increases in power based on the user's Special Attack stat. It works best if Calm Mind has been used beforehand to boost Espeon's Special Attack.
Psychic Terrain: A Psychic-type move that sets up Psychic Terrain, which boosts the power of Psychic-type moves and gives Espeon immunity to priority moves.
Helping Hand: A support move that raises the power of the next attack from an ally.
Baton Pass: A move that allows Espeon to pass its stat changes to another Pokémon when switched out. This is useful for setting up stat enhancements for teammates.
Morning Sun: A status-recovery move that restores Espeon's HP during the daytime.
Grass Knot: A Grass-type move that deals double damage to Pokémon with higher Weight stats.
Signal Beam: A Bug-type move that has a 10% chance of confusing the opponent.
Trick: A status move that swaps Espeon's held item with the opponent's held item.
These moves, combined with Espeon's naturally high Special Attack stat and versatile typing, make it an excellent choice for many teams in the competitive Pokémon metagame.