Cornerstone Mask

The Cornerstone Mask (Japanese: いしずえのめん Cornerstone Mask) is a held Item introduced in Generation IX. It changes Ogerpon to its Cornerstone Mask form while held.

Cornerstone Mask
Cornerstone Mask
Bag Cornerstone Mask SV Sprite.png
Cornerstone Mask
Pokémon Scarlet and Violet artwork
Introduced in Generation IX
Generation IX Bag Other Items pocket icon.png Other Items

In the core series games


Games Cost Sell price


If an Ogerpon is holding a Cornerstone Mask, it changes to its Cornerstone Mask form. It increases the power of its moves by 20%.


Games Description
SV An item to be held by Ogerpon. This carved wooden mask is adorned with crystals and allows Ogerpon to wield the Rock type during battle.


Games Finite methods Repeatable methods
SVTM Dreaded Den (after capturing Ogerpon)

In other languages

Language Title
Chinese Cantonese 礎石面具 Chósehk Mihngeuih
Mandarin 礎石面具 / 础石面具 Chǔshí Miànjù
  French Masque de la Pierre
  German Fundamentmaske
  Italian Maschera Fondamenta
  Korean 주춧돌의가면 Juchutdor-ui Gamyeon
  Spanish Máscara Cimiento

See also

  This item article is part of Project ItemDex, a Bulbapedia project that aims to write comprehensive articles on all items.