50level cap
Giovanni fields 3 Pokémon at level 50 in Viridian City Gym.
This is around Volcano Badge — One, Two and Three Island, then Viridian Gym in the story — that page lists everything you can have caught by this point.
Types on this team: Ground ×3PoisonRock
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Marowak Lv 50 Ground | Ability Battle Armor Held item Thick Club Impish nature · EVs 136 HP / 252 Atk / 120 Spe | Swords Dance Perish Song Earthquake Iron Head | HP60Attack80Defense110Sp. Atk50Sp. Def80Speed45Total425 |
 | Nidoking Lv 50 PoisonGround | Ability Sheer Force Held item Life Orb Adamant nature · EVs 136 HP / 252 Atk / 120 Spe | Earthquake Poison Jab Rock Slide Strength | HP81Attack102Defense77Sp. Atk85Sp. Def75Speed85Total505 |
 | Rhyperior Lv 50 GroundRock | Ability Solid Rock Held item Loaded Dice Adamant nature · EVs 200 HP / 252 Atk / 56 Def | Rock Blast Earthquake Heavy Slam Body Press | HP115Attack140Defense130Sp. Atk55Sp. Def55Speed40Total535 |
How to beat this team
Shared weaknesses. Ice hits 3 of 3, Water hits 3 of 3, Grass hits 2 of 3, Ground hits 2 of 3.
Level to be ready for. Lv 50 — Marowak, the highest on the team.
Ice Pokémon you can have caught by this point. From this guide’s own encounter tables, by Volcano Badge — One, Two and Three Island, then Viridian Gym: