Elemental Ink (5e Equipment)
From D&D Wiki
A 1 ounce bottle of Ink meant for Chakra_Tags_(5e_Equipment)
Cost: 50 gp
Weight: 0.0625 lbs
When used to draw a damage dealing seal, this ink changes the damage type to one of your choosing - limited by your ability to use it (ie. You cannot change the element to force if you cannot manipulate force in any way)
This ink can be crafted at half cost by any creature proficient with Alchemist's Supplies.
This ink, while created for Explosive Seals, may have other uses