Walkthrough
As you complete The Terrible Titans... Lurking Locked Away Adventure, you will have to go through a number of various areas across the Crown Tundra in search of the Regi Legendary Pokemon Group. One of these areas is the Roaring-Sea Caves, which connects the Giant's Foot to the Frigid Sea. Like all areas of the Crown Tundra, plenty of Pokemon can be found throughout the Roaring-Sea Caves.
Zubat (40%): Levels 60-65
Carbink (24%): Levels 60-65
Piloswine (20%): Levels 60-65
Deino(Sword)/Larvitar(Shield) (10%): Levels 60-65
Riolu (10%): Levels 60-65
Audino(1%): Levels 60-65
Special Overworld - All Weather
Zubat: Level 63
Lucario: Level 67
Golbat: Level 65
Hydreigon(Sword)/Tyranitar(Shield): Level 68
Omastar(Sword)/Kabutops(Shield): Level 68
Waters - Normal Weather
Barboach (25%): Levels 60-65
Basculin (25%): Levels 60-65
Magikarp (25%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (24%): Levels 60-65
Feebas (1%): Levels 60-65
Waters - Overcast
Barboach (25%): Levels 60-65
Basculin (25%): Levels 60-65
Magikarp (25%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (24%): Levels 60-65
Feebas (1%): Levels 60-65
Waters - Raining
Barboach (25%): Levels 60-65
Basculin (25%): Levels 60-65
Magikarp (25%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (24%): Levels 60-65
Feebas (1%): Levels 60-65
Waters - Thunderstorm
Barboach (25%): Levels 60-65
Basculin (25%): Levels 60-65
Magikarp (25%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (24%): Levels 60-65
Feebas (1%): Levels 60-65
Waters - Snowing
Barboach (20%): Levels 60-65
Basculin (20%): Levels 60-65
Magikarp (20%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (20%): Levels 60-65
Vanillish (19%): Levels 60-65
Feebas (1%): Levels 60-65
Waters - Snowstorm
Barboach (20%): Levels 60-65
Basculin (20%): Levels 60-65
Magikarp (20%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (20%): Levels 60-65
Vanillish (19%): Levels 60-65
Feebas (1%): Levels 60-65
Waters - Intense Sun
Barboach (25%): Levels 60-65
Basculin (25%): Levels 60-65
Magikarp (25%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (24%): Levels 60-65
Feebas (1%): Levels 60-65
Waters - Fog
Barboach (25%): Levels 60-65
Basculin (25%): Levels 60-65
Magikarp (25%): Levels 60-65
Omanyte(Sword)/Kabuto(Shield) (24%): Levels 60-65
Feebas (1%): Levels 60-65
Items
Big Nugget: Small Alcove
Galarica Wreath: Give Woman 15 Galarica Twigs
Stardust: Hidden Along Wall
Rare Candy: Western Path
Revive: Hidden Along Wall
TR18: Near Southern Exit
Soft Sand: Hidden Along Wall
Big Mushroom: Hidden Along Wall
Super Potion: Hidden Along Wall
Everstone: Hidden Along Wall
Hard Stone: Hidden Along Wall
TR92: Near Galarica Wreath Woman
Stardust: Hidden Along Wall
Rare Bone: Hidden Along Wall
TR10: On Cliffside