15level cap
This fight happens in Tier 1 of 8 — fought with 0 badges already (level cap 15) only.
Viola fields 3 Pokémon between level 12 and level 15 in Rustboro City Gym.
This is around No badges yet in the story — that page lists everything you can have caught by this point.
Types on this team: Bug ×3FlyingGroundWater
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Surskit Lv 12 BugWater | Ability Swift Swim | Bubble Quick Attack Bug Bite Sticky Web | HP40Attack30Defense32Sp. Atk50Sp. Def52Speed65Total269 |
 | Nincada Lv 12 BugGround | Ability Compound Eyes | Metal Claw Fury Swipes Bug Bite Mud-Slap | HP31Attack45Defense90Sp. Atk30Sp. Def30Speed40Total266 |
 | Beautifly Lv 15 BugFlying | Ability Swarm Held item Oran Berry | Absorb Gust Bug Bite Whirlwind | HP60Attack70Defense50Sp. Atk100Sp. Def50Speed65Total395 |
How to beat this team
Shared weaknesses. Flying hits 3 of 3, Electric hits 2 of 3, Fire hits 2 of 3, Ice hits 2 of 3.
Level to be ready for. Lv 15 — Beautifly, the highest on the team.
Flying Pokémon you can have caught by this point. From this guide’s own encounter tables, by No badges yet: