73highest level
Beating them gives you Shiny Charm 1st, then 10x Comet Shard.
This is around Postgame in the story — that page lists everything you can have caught by this point.
Types on this team: Ghost ×2DarkDragonFlyingGrassNormalPoisonRock
| Pokémon | Moves | |
|---|---|---|
 | Thwomp Lv 70 · Sturdy · Rocky Helmet Impish nature · 31 IVs · EVs 252 HP / 252 Def | Stealth Rock Obstruct Stone Edge Knock Off |
 | Twirler Lv 70 · Cursed Body · Leftovers Brave nature · 31 IVs · EVs 252 HP / 252 Atk / 4 Def | Shadow Sneak Phantom Force Drain Punch Ice Punch |
 | Shrooboid Lv 71 · Poison Touch · Assault Vest Careful nature · 31 IVs · EVs 252 HP / 4 Atk / 252 SpD | Poison Jab Payback Ice Fang Drain Punch |
 | Yoob Lv 71 · Mold Breaker · Liechi Berry Adamant nature · 31 IVs · EVs 252 HP / 252 Atk / 4 Def | Dragon Hammer Head Charge Revenge Thunder Fang |
 | Petey Piranha Lv 72 · Unburden · Focus Sash Jolly nature · 31 IVs · EVs 100 HP / 252 Atk / 4 Def / 152 Spe | Acrobatics Power Whip Body Press Ice Fang |
 | King Boo Lv 73 · Levitate · Sitrus Berry Modest nature · 31 IVs · EVs 100 HP / 4 Def / 106 Spe / 252 SpA | Shadow Ball Nasty Plot Ice Beam Thunderbolt |