Physical DMG +25% After defeating an opponent, increases Charged Attack DMG by 50%, and reduces its Stamina cost to 0 for 10s. The Bloodstained Iron Mask is a Five Star Circlet of Logos Artifact found ...

These are all of the Shiny Locked Pokemon in Generation 9 as of Pokemon Scarlet & Violet 3.0.1. If any of these changes, we will make sure to update the list.