24level cap
Wattson fields 5 Pokémon between level 20 and level 24 in Mauville Gym. The fight is mandatory.
This is around Mauville — Wattson in the story — that page lists everything you can have caught by this point.
Types on this team: Light ×5Fairy ×2BugGrassPsychic
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Tadbulb Lv 20 Light | Held item Light Ball | Glare Spark Selfdestruct Aurora Beam | HP61Attack31Defense41Sp. Atk59Sp. Def35Speed45Total272 |
 | Togepi Lv 20 FairyLight | Held item Punching Glove | Metronome Wish Light Screen Aurora Beam | HP35Attack20Defense65Sp. Atk40Sp. Def65Speed20Total245 |
 | Ninjask Lv 21 BugLight | Held item Quick Claw | Agility Air Slash Icy Wind Aurora Beam | HP61Attack90Defense45Sp. Atk50Sp. Def50Speed160Total456 |
 | Solosis Lv 22 PsychicLight | Held item Leftovers | Morning Sun Psyshock Glare Aurora Beam | HP45Attack30Defense40Sp. Atk105Sp. Def50Speed20Total290 |
 | Shiinotic Lv 24 GrassFairyLight | Held item Sitrus Berry | Spore Leech Seed Aurora Beam Aurora Beam | HP60Attack45Defense80Sp. Atk90Sp. Def100Speed30Total405 |
How to beat this team
Shared weaknesses. Fire hits 2 of 4, Flying hits 2 of 4, Poison hits 2 of 4, Steel hits 2 of 4, counting the 4 of 5 whose types this chart knows.
Level to be ready for. Lv 24 — Shiinotic, the highest on the team.