Union Cave B2F — Pokémon Sour Crystal

Every wild Pokémon here, by encounter method.

Union Cave B2F lists 14 Pokémon across 11 encounter methods (grass (night), grass (night), surf, surf, and more), between level 10 and 40. Between them they cover 8 types: PoisonFlyingWaterGroundNormalRockElectricIce. One of them is on no other route's wild tables in this guide: Lapras.

Union Cave B2F in other guides

The same area in other ROM hacks on this site. Each one has its own encounter table.

Opens up at Azalea Town — Bugsy and the Hive Badge.

Grass (night) Lv 20-23

8pm to 4am in game · 4% of steps start a battle

	Pokémon	Types	Level	Rate
	Zubat	PoisonFlying	22	30%
	Golbat	PoisonFlying	22	30%
	Quagsire	WaterGround	22	20%
	Raticate	Normal	21	10%
	Geodude rare	RockGround	20	5%
	Onix rare	RockGround	23	5%

Grass (night) Lv 24-27

8pm to 4am in game · 4% of steps start a battle

	Pokémon	Types	Level	Rate
	Zubat	PoisonFlying	26	30%
	Golbat	PoisonFlying	26	30%
	Quagsire	WaterGround	26	20%
	Raticate	Normal	25	10%
	Geodude rare	RockGround	24	5%
	Onix rare	RockGround	27	5%

Surf Lv 15-20

4% of steps while surfing start a battle.

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	15	60%
	Quagsire	WaterGround	20	30%
	Tentacruel	WaterPoison	20	10%

Surf Lv 20-25

4% of steps while surfing start a battle.

	Pokémon	Types	Level	Rate
	Tentacool	WaterPoison	20	60%
	Quagsire	WaterGround	25	30%
	Tentacruel	WaterPoison	25	10%

Old Rod Lv 10

Shore fishing group · 50% of casts get a bite.

	Pokémon	Types	Level	Rate
	Magikarp	Water	10	85%
	Tentacool	WaterPoison	10	15%

Good Rod Lv 20

Shore fishing group · 50% of casts get a bite.

	Pokémon	Types	Level	Rate
	Magikarp	Water	20	35%
	Tentacool	WaterPoison	20	35%
	Chinchou	WaterElectric	20	20%
	Shellder	Water	20	10%

Super Rod Lv 40

Shore fishing group · 50% of casts get a bite.

	Pokémon	Types	Level	Rate
	Chinchou	WaterElectric	40	40%
	Shellder	Water	40	30%
	Tentacruel	WaterPoison	40	20%
	Lanturn	WaterElectric	40	10%

Swarm Lv 20-23

Only while that Pokémon is swarming here — see the game's swarm notifier.

	Pokémon	Types	Level
	Sandshrew	Ground	22
	Zubat	PoisonFlying	22
	Raticate	Normal	21
	Geodude	RockGround	20
	Onix	RockGround	23
	Sandshrew	Ground	22
	Zubat	PoisonFlying	22
	Raticate	Normal	21
	Geodude	RockGround	20
	Onix	RockGround	23
	Sandshrew	Ground	22
	Quagsire	WaterGround	22
	Raticate	Normal	21
	Geodude	RockGround	20
	Onix	RockGround	23

Fixed encounter Lv 20

A one-off battle the map script starts — it does not come back if you knock it out.

	Pokémon	Types	Level
	Lapras	WaterIce	20

Grass (morning/day) Lv 20-23

4am to 8pm in game · 4% of steps start a battle

	Pokémon	Types	Level	Rate
	Zubat	PoisonFlying	22	50%
	Golbat	PoisonFlying	22	30%
	Raticate	Normal	21	10%
	Geodude rare	RockGround	20	5%
	Onix rare	RockGround	23	5%

Grass (morning/day) Lv 24-27

4am to 8pm in game · 4% of steps start a battle

	Pokémon	Types	Level	Rate
	Zubat	PoisonFlying	26	50%
	Golbat	PoisonFlying	26	30%
	Raticate	Normal	25	10%
	Geodude rare	RockGround	24	5%
	Onix rare	RockGround	27	5%

Trainers here

6 fights here, in story order. ★ marks a gym leader or major battle.

Open in the interactive guide