The Grand Stairway is an area located underneath the North Obsidia Ward .
On the small northeast ledge of floor B3, accessible by taking the southeast tunnel of floor B3, there's a static Solrock or Lunatone the player can fight and catch. The one not found under the Grand Stairway can be found later in Tanzan Mountain.
Item
Location
Mining Kit
Received from hiker in room north of B1 (requires Rock Smash)
Ghost Gem
Hidden in a rock directly southwest of the ladder upon entering floor B1
Dire Hit
South then east of the ladder upon entering floor B2
Focus Sash
Hidden in a rock halfway down the ledge jumps on floor B3, on the right side
Rare Candy
Hidden next to a crumbling rock below the far-left ledge jumps of B2 (requires Rock Smash)
Hidden in a rock blocked by two crumbling rocks in the east tunnel of floor B3 (requires Rock Smash)
TM63 (Embargo)
Left of the stairs leading up to the Black Belt on floor B2
TMX7 (Rock Smash)
Given by the Black Belt at the top of the west stairs on floor B2
Blue Shard
Hidden in a rock southeast of the Black Belt on floor B2
Green Shard
Hidden in rock south of the ladder upon entering the Grand Stairway
Hidden in rock down the middle-left ledge jump on floor B2, by the pillar
Hidden in rock at the north end of floor B1 (Requires Rock Smash)
Great Ball
Hidden in rock on the right side of the stairs accessible from the middle-left ledge jumps of B2
PokeSnax
Hidden in small pool of water at the top of the stairs leading back to the entrance of floor B2, behind the support beam
X Speed
Hidden on the ground on the right side of the stairs leading back up to the entrance of floor B3
Guard Spec.
Hidden in a rock southeast of the ledge jumps on floor B2
X Sp. Atk
Hidden in rock beside ladder by following middle-right ledge jumps of B2
Star Piece
Hidden in a rock above the ladder after arriving in the southeast B3 tunnel
Field Notes: Crystal Cavern
Inside the crystal chamber in the southeast B3 tunnel, accessible if a Pokemon (wild or caught) uses a move such as Magntitude or Bulldoze in battle within the room
Ability Capsule
Halfway up the east side of floor B2, reached after following the southeast B3 tunnel
Magical Seed
In the small B2 room, after following the southeast B3 tunnel
Heart Scale
Hidden in a rock next to the upwards ladder in the small B2 room, after following the southeast B3 tunnel
Red-Hots
Hidden in rock on east side of floor B2, just before jumping down ledge. Accessible by following the southeast B3 tunnel
Ground Gem
Hidden in rock in the tunnel west B1 tunnel, accessible from the far-left ledge jumps of B2
Super Repel
Hidden in rock at northwest side of B1, accessible from the far-left ledge jumps of B2
Red Shard
Hidden in rock down blocked ladder found west upon entering floor B2 (requires Rock Smash)
Amplifield Rock
In room down blocked ladder found west upon entering floor B1 (requires Rock Smash)
PP Up
Hidden on the ground northwest upon entering Mining Kit room
Pokémon
Location
Levels
Rate
Cave
22-26
30%
Cave
23-26
10%
Cave
22-26
10%
Cave
22-28
21%
Cave
35-38
1%
Cave
21-25
8%
Cave
22-26
20%
Pokémon
Location
Levels
Rate
Cave
22-26
30%
Cave
23-26
10%
Cave
22-26
15%
Cave
22-27
25%
Cave
25-40
5%
Cave
33-38
5%
Cave
23-25
10%
Special Pokémon
Small B2 room
28
One (50%)
Small B2 room
28
One (50%)
Pokémon
Location
Levels
Rate
Cave
22-26
30%
Cave
23-26
10%
Cave
22-26
15%
Cave
22-27
25%
Cave
25-40
5%
Cave
33-38
5%
Cave
23-25
10%
Pokémon
Location
Levels
Rate
Cave
20-45
100%
Aster and Eclipse are battled in a Cave Field in a Double Battle format and they have two Super Potions . You fight alongside Victoria .
Reward:
300
Solrock Lv. 29
HP
Atk
Def
SpA
SpD
Spe
IVs
0
0
0
0
0
0
10
Lunatone Lv. 29
HP
Atk
Def
SpA
SpD
Spe
IVs
0
0
0
0
0
0
10
Lycanroc ♀ Lv. 30
HP
Atk
Def
SpA
SpD
Spe
IVs
0
0
0
0
0
0
10
Lycanroc ♂ Lv. 30
HP
Atk
Def
SpA
SpD
Spe
IVs
0
0
0
0
0
0
10