Responses
They're demon's soul. Like how jinwoo collected the demon's soul for the quest inside the tower. Vulcan is one of the demon king(?) So he can absorb the souls.
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They're demon's soul. Like how jinwoo collected the demon's soul for the quest inside the tower. Vulcan is one of the demon king(?) So he can absorb the souls.
In solo leveling the demon that sung Jin woo kill can't became shadow soldier because they have no soul so how come Vulcan horn can absorb the low ranking demon soul when they not supposed to exist