Pokemon HeartGold and SoulSilver - Ruins of Alph Puzzles and Hidden Doors (SOLVED)

Pokémon of the Week - Unown

Emile's ? Unown, Chuggaaconroy Wiki

Pokémon Heart Gold & Soul Silver - Ruins of Alph

How to get Secret Unown Forms ( ? & ! ) - Pokemon HeartGold & SoulSilver

Pokemon Crystal Part #68 - Adventures in the Ruins of Alph

Ten Can't Miss Activities in Johto and Beyond

Blisy RNG Guides

v20.1 - Unown Report

I wonder if Legends will explain the connections between Unown and Arceus. Or just explain Unown in general a bit more, cause those things seem to be able to friggin alter reality.

Pokemon Unown Reverse Foil Heart Gold & Soul Silver Undaunte