It is one of the few ranged attack Sword Skills.
Retrieved 15 July 2021 — via YouTube.
This weapon was eventually replaced by the Black Welt made by Lizbeth.
Either one could be true, but it might also have been something completely different that I had yet to figure out.
The user can expend this absorbed energy in any way they see fit, such as enhancing their attacks and abilities, increasing the weapon's size, or healing everyone within a large radius.
Like that Bill Burr bit where a chick flicked his dick, sure it might make you mad because socially it would be unacceptable to do the same back to women for some fucked up reason, but we really don't mind.