Details: One of the fourteen Special Trainers you will encounter at The Battle Tree after completing certain winning streaks or as a partner in Multi Battle Mode is Dexio. Even though he's one of Professor Sycamore's Assistants back in the Kalos Region, Dexio loves a good battle. He uses a mix of Pokemon.
Possible Pokemon:
Nintales (Psychium Z): Freeze-dry, Dazzling Gleam, Extrasensory, Ice Shard
Slowbro (Leftovers): Psychic, Surf, Slackoff, Amnesia
Slowbro (Slowbronite): Psychic, Surf, Blizzard, Trick Room
Espeon (Lum Berry): Psychic, Shadow Ball, Hyper Beam, Grass Knot
Whimsicott (Leftovers): Moonblast, Leech Seed, Substitute, Cotton Guard
Whimsicott (Fairium Z): Moonblast, Tailwind, Swagger, Energy Ball
Braviary (Choice Scarf): Brave Bird, Return, U-turn, Rock Slide
Braviary (Wacan Berry): Brave Bird, Tailwind, Superpower, Giga Impact
Passimian (Choice Scarf): Close Combat, Earthquake, U-turn, Rock Slide
Passimian (Hard Stone): Close Combat, Rock Slide, Feint, Fling
Turtonator (Normalium Z): Head Smash, Explosion, Overheat, Dragon Claw
Turtonator (Sitrus Berry): Shell Smash, Fire Blast, Dragon Pulse, Flash Cannon