Unown B Location - Pokemon Legends: Arceus Guide - IGN

Unown "B" Location: Fund Unown B on the west wall of the centermost rock structure on Firespit Island - you'll need Feather Balls to catch it.

Pokemon Legends Arceus: All Unown Locations

Pokemon Legends: Arceus Unown Locations Guide

Unown B Location - Pokemon Legends: Arceus Guide - IGN

Unown W Location - Pokemon Legends: Arceus Guide - IGN

All Unown locations in Pokemon Legends Arceus - Dexerto

Unown N Location - Pokemon Legends: Arceus Guide - IGN

All Unown Locations - Pokemon Legends: Arceus Guide - IGN

Unown B Location - Pokemon Legends: Arceus Guide - IGN

All Unown Locations - Pokemon Legends: Arceus Guide - IGN

Unown locations in Pokémon Legends Arceus guide - Polygon