Ichor

https://static.wikia.nocookie.net/malachitemines/images/8/8f/9700AD1C-C321-408A-B713-023FB15A08DB.jpeg/revision/latest/scale-to-width-down/309?cb=20220617131515

Ichor is a coordinate ore that spawns in the Grim layer, with the spawning range of -6750X to -∞︎︎X.

It wasn’t made by keeth though