Forbidden-Spell Mages Die Young? I Can Steal the Lifespan of All Things

What would it be like if every side effect of burning through your lifespan were suffered by your enemies instead? Jiang Ning had only just transmigrated to a world overrun by demons when he obtained the [Lifespan Plunder] System. By killing, gravely wounding, or cursing any living creature, he could steal its lifespan. What was more, everyone else bore all the side effects of casting forbidden spells. His own body remained completely unharmed. And so Jiang Ning awakened as an SSSS-rank Forbidden Spellcaster and began wildly leveling up his life-burning ultimate spells. Fire Curses that burn the body, Thunder Curses that damage the soul, Blood Curses that eat away at life… The higher your cultivation, the faster you die. A “self-destructing truck” who wouldn't live past twenty-five? Jiang Ning smiled faintly. “What does a Forbidden Spellcaster burning through his life have to do with a cheater like me?” Seeing Jiang Ning casually unleash hundreds of forbidden spells at a time, everyone turned deathly pale. “Dude, when you cast forbidden spells, why are our health bars disappearing?”