Roark — Hoenn — level scales, and the source doesn't say where
Lv 0highest Pokémon · 6 Pokémon · all level caps
This is around Just started — heading for Roxanne in the story — that page lists everything you can have caught by this point.
Types on this team: Ground ×4DarkFightingFlyingGrassRockSteel
| Pokémon | Moves | |
|---|---|---|
 | Hippowdon Lv 0 · Sand Stream · Smooth Rock Level is set from your own team, not fixed · Adamant nature · EVs 6 HP / 252 Atk / 252 Def | Earthquake Rock Slide Roar Stealth Rock |
 | Landorus Lv 0 · Sheer Force · Life Orb Level is set from your own team, not fixed · Naive nature · EVs: the hack's Hasty Or Naive Sp Atk preset | Sandsear Storm Stone Edge Sludge Wave Psychic |
 | Great Tusk Lv 0 · Protosynthesis · Booster Energy Level is set from your own team, not fixed · Adamant nature · EVs: the hack's Adamant preset | Headlong Rush Close Combat Knock Off Ice Spinner |
 | Rampardos Lv 0 · Sheer Force · Life Orb Level is set from your own team, not fixed · Adamant nature · EVs: the hack's Adamant preset | Rock Slide Fire Punch Zen Headbutt Rock Polish |
 | Cacturne Lv 0 · Sand Rush · Focus Sash Level is set from your own team, not fixed · Hasty nature · EVs: the hack's Hasty Or Naive Sp Atk preset | Energy Ball Sucker Punch Dark Pulse Destiny Bond |
 | Steelix Lv 0 · Rock Head · Steelixite Level is set from your own team, not fixed · Adamant nature · EVs 6 HP / 252 Atk / 252 Def | Heavy Slam Crunch Earthquake Stone Edge |