Cornerstone

A CornerstoneTopaz and Numby's character introduction in the English localization refers to this as a "core stone," despite later texts referencing similar objects as "Cornerstones." The original Chinese text more consistently refers to these objects as "基石" (Cornerstones) in Topaz and Numby's character introduction, as well as later media. is a sacred stone empowered by Diamond, Head of the Strategic Investment Department and Emanator of Preservation, for use by the Ten Stonehearts.
==Description==
Each member of the Ten Stonehearts possess a unique Cornerstone to them, and it is said that the Ten Stonehearts must cut their Cornerstone with their own will in order to allow its brilliance to radiate. After receiving a Cornerstone, each member is given a name corresponding to their Cornerstone, and they are generally called by this name rather than their actual name. The Ten Stonehearts regard their Cornerstones to be more precious than their own lives.
Each Cornerstone gives different abilities to each Stoneheart. The aventurine stoneInstances left lowercase, as seen in Jade's Character Story: Part IV transformed Aventurine into a stronger form, allowing him to levitate and summon giant poker chips from the sky. The jade stone allowed Jade to see all desires that flowed through dreams when it was sent into Penacony. Compared to Aventurine, the topaz stone's ability is not as "visual," though Topaz tells the Trailblazer she would have used her Cornerstone against the Astral Express Crew if Bronya had not intervened in time.
Cornerstones exhume a great deal of power, even when damaged or shattered — after Aventurine was sent into the Primordial Dreamscape by Acheron, an Emanator of Nihility, the remnants of his damaged Cornerstone were able to protect him from being contaminated by the dreamscape's Nihility. Diamond is capable of repairing damaged Cornerstones.
==Known Cornerstones==
Icon	Name 	Known Abilities 	User
 	Aventurine of Stratagems	 	Aventurine
 	Jade of Credit 	See people's desires	Jade
 	Topaz of Debt Retrieval 	 	Topaz
 	Opal of Unknown 	 	Opal
 	Obsidian of Unknown 	 	Obsidian
 	Pearl of Unknown 	 	Pearl
 	Agate of Unknown 	 	Agate
 	Amber of Unknown 	 	Amber
 	Sapphire of Unknown 	 	Sapphire
 	Sugilite of Unknown 	 	Sugilite
==Notes==
==Other Languages==
==Change History==
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