The congealed chakra resulted from the kekkei genkai Reikisekka is known by various names; Holy Grail, Philosopher's Stone, Satanic Fossil and most commonly as the Chakra Stone. Chakra Stone is the signature tool of Shōseki clan as they are the only group of people who possess the bloodline limit to create it. As its name suggests, it is a tool that grants chakra to its wielder if used correctly. Due to its convenience and usefulness in battle, a sack of decent decoded Chakra Stones is worth nearly a gold ingot during the warring era.