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.

Unown locations in Pokémon Legends Arceus guide - Polygon

All Unown Locations and Interactive Map Guide

In An Unfamiliar Land - Pokemon Legends: Arceus Guide - IGN

Pokémon Legends: Arceus Unown locations guide

Unown N Location - Pokemon Legends: Arceus Guide - IGN

Unown B Location - Pokemon Legends: Arceus Guide - IGN

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All Unown Locations - Pokemon Legends: Arceus Guide - IGN

Pokemon Legends Arceus Unown Locations Guide

All Unown Locations - Pokemon Legends: Arceus Guide - IGN

Unown B Location - Pokemon Legends: Arceus Guide - IGN