From Bulbapedia, the community-driven Pokémon encyclopedia.

Wayward Cave (Japanese: 迷いの洞窟 Bewildering Cave) is a multi-floor cave located in western Sinnoh. It lies on Route 206, with two possible entrances hidden beneath the Cycling Road. One entrance leads into the upper level of Wayward Cave. There is another hidden entrance directly underneath the Cycling Road to west of the main entrance which leads into the lower level of the cave; this portion of the cave is notably the only habitat of wild Gible in Sinnoh (other than the Grand Underground in Pokémon Brilliant Diamond and Shining Pearl).

Cut is required to access the cave. Additionally, Rock Smash is required to navigate the portion accessible from the main entrance, while the Bike is required to navigate the portion accessible from the hidden entrance. Additionally, in Pokémon Diamond, Pearl, Brilliant Diamond, and Shining Pearl, Strength is required to access B1F. 1F is dark, but can be lit up with Flash.

In Hisui, Wayward Cave is part of the Coronet Highlands, located in the southern portion of this area. It connects to Wayward Wood.

Visiting the cave is completely optional in Generation IV and in Pokémon Brilliant Diamond and Shining Pearl. It plays a small role in the plot of Pokémon Legends: Arceus, where the player will be led by Ingo through the cave.

Geography

Location of Wayward Cave in Hisui

Diamond, Pearl, Platinum, Brilliant Diamond, Shining Pearl

1F

Wayward Cave is just as the name suggests; it is very easy to get lost in. The cave features many pathways with sharp turns, with most of them leading the player to dead ends. Most of the paths are blocked by patches of rocks to force the player to turn back, though some of which can be broken with Rock Smash. The cave is very dark, so Flash is needed to light the path. An isolated pocket on this level can be accessed from B1F, which contains TM26 Earthquake.

B1F

The basement level can only be accessed by the hidden entrance obscured by the Cycling Road. It is filled with various bike obstacles, such as muddy slopes and jump ramps. The floor features lots of ledges, which lead the player back to the entrance. Flash is not needed to light the area in the basement floor. This is the only place where wild Gible are found in Diamond, Pearl, and Platinum.

Legends: Arceus

Wayward Cave is a single-leveled, sprawling maze of tunnels that interconnect and often terminate at dead ends. The pathways are sporadically dotted with torches, ore deposits, and Iron Chunks. Near the cave's exit to Wayward Wood, the tunnels feed into a large, open space with a small spring.

Items

1F

Item		Location	Games
	Potion	At the second intersection north of the entrance, on the middle rock of the eastern blockage (hidden)	D  P  BD  SP
	Green Shard	At the second intersection north of the entrance, on the middle rock of the eastern blockage (hidden)	Pt
	Escape Rope	At the intersection just down the southeast path from the back wall	D  P  Pt  BD  SP
	Nugget	In the chamber in which the player meets Mira, on the rock against the southern wall (hidden)	D  P  BD  SP
	Yellow Shard	In the chamber in which the player meets Mira, on the rock against the southern wall (hidden)	Pt
	Tiny Mushroom	In the southeast corner of the cave, on the central rock south of Collector Terry and Ruin Maniac Gerald (hidden)	D  P  BD  SP
	Blue Shard	In the southeast corner of the cave, on the central rock south of Collector Terry and Ruin Maniac Gerald (hidden)	Pt
	Burn Heal	In the easternmost fully blocked intersection, on the northernmost rock south of Picnicker Ana and Camper Parker (hidden)	D  P  BD  SP
	Great Ball	In the easternmost fully blocked intersection, on the northernmost rock south of Picnicker Ana and Camper Parker (hidden)	Pt
	Potion	In the western bend of the S-Tetrimino-shaped pathway on the middle eastern side of the cave, on the westernmost rock in that bend (hidden)	D  P
	Super Potion	In the western bend of the S-Tetrimino-shaped pathway on the middle eastern side of the cave, on the rock just southwest of the breakable rock (hidden)	Pt
	Potion	In the western bend of the S-Tetrimino-shaped pathway on the middle eastern side of the cave, on the rock just southwest of the breakable rock (hidden)	BD  SP
	Rare Candy	In the northwest corner, at the south end of the chamber	D  P  BD  SP
	Revive	In the northwest corner, at the south end of the chamber	Pt
	Super Potion	In the blocked corner passageway in the southwest, on a southwestern rock among the blockage south of Hiker Reginald and Hiker Lorenzo (hidden)	D  P  BD  SP
	Red Shard	In the blocked corner passageway in the southwest, on a southwestern rock among the blockage south of Hiker Reginald and Hiker Lorenzo (hidden)	Pt
	TM32 (Double Team)	At the east end of the chamber in the southwest corner	D  P  Pt  BD  SP
	TM26 (Earthquake)	In a small room accessed from the end of B1F (requires StrengthDPBDSP)	D  P  Pt  BD  SP

B1F

In Pokémon Diamond, Pearl, Brilliant Diamond, and Shining Pearl, Strength is required to access this floor.

Partner Trainer

When the player first reaches the northeastern corner of the main cavern on 1F, they encounter a small lost girl named Mira. She is one of the Stat Trainers, specializing in the Special Attack stat. Alone and afraid, she asks the player to take her back to the cave's entrance. She does not appear in Legends: Arceus.

While Mira is with the player, they cannot use Dig as a field move or an Escape Rope. Once the player reaches the cave's entrance, she departs.

While Mira is with the player, all wild battles become Double Battles, and all Trainer battles that would otherwise be Double Battles become Multi Battles. After every battle, she completely heals the player's party.

Pokémon Diamond, Pearl, and Platinum

Held item: None Kadabra♂ Lv.18/26

Pokémon Brilliant Diamond and Shining Pearl

Pokémon

Generation IV

1F

While Mira is with the player, wild Pokémon are faced in Double Battles, with Mira as the player's partner.

Pokémon	Games						Location	Levels	Rate
	D		P		Pt			14-16	45%
	D		P		Pt			17, 19	15%
	D		P		Pt			15-16	15%
	D		P		Pt			17-20	40%
	D		P		Pt			18, 20	15%
	D		P		Pt			14-16	40%
	D		P		Pt			18, 20	30%
Special Pokémon
	D		P		Pt			16	8%
	D		P		Pt			17-18	8%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

B1F

Pokémon	Games						Location	Levels	Rate
	D		P		Pt			15-17	35%
	D		P		Pt			19	10%
	D		P		Pt			16	10%
	D		P		Pt			18, 20	25%
	D		P		Pt			18, 20	15%
	D		P		Pt			15-17	40%
	D		P		Pt			18, 20	30%
	D		P		Pt			15-17	15%
	D		P		Pt			17, 19-20	20%
Special Pokémon
	D		P		Pt			16-17	8%
	D		P		Pt			18, 20	8%
A colored background means that the Pokémon can be found in this location in the specified game. A white background with a colored letter means that the Pokémon cannot be found here.

Generation VIII

Pokémon Brilliant Diamond and Shining Pearl

1F

While Mira is with the player, wild Pokémon are faced in Double Battles, with Mira as the player's partner.

B1F

Pokémon Legends: Arceus

↑ After visiting Solaceon Ruins and the Unown Research Notes are added to the Pokédex, in the southeastern portion of the cave, at a dead end

Trainers

While Mira is with the player, the following Trainers, if they would normally be faced in Double Battles, are instead faced in Multi Battles with Mira as the player's partner.

Pokémon Diamond and Pearl

Trainer	Pokémon
	Onix♂ Lv.17 No item
Trainers with a Vs. Seeker by their names, when alerted for a rematch using the item, may use higher-level Pokémon.

Pokémon Platinum

Trainer	Pokémon
	Onix♂ Lv.22 No item
Trainers with a Vs. Seeker by their names, when alerted for a rematch using the item, may use higher-level Pokémon.

Pokémon Brilliant Diamond and Shining Pearl

Trainer	Pokémon
	Onix♂ Lv.17 No item
Trainers with a Vs. Seeker by their names, when alerted for a rematch using the item, may use higher-level Pokémon.

Layout

Trivia

In other languages

ncG1vNJzZmiapaGvorzEnaCaZpKquaOtxpqpnZ2eY7umwI6woKShX4yuusPAq5uYe5Grsg%3D%3D