Torment Spell Core Shell
Nether Wart shows potential for the lining of a Spell Core.Its transformative properties enable the conversion of energy necessary to power a spell from a spawner's essence.
A Shell may be constructed from the Wart, a Nether Quartz, and Iron to bind it tightly.

However, it is not a functioning Core in itself.By interacting with a spawner while holding this Shell, the spawner's essence may be absorbed.Only then will it function when placed within a Modular Spell Construct.