Forbidden Spellcasters Have Short Lives? I Possess an Immortal Body

Ye Lin transmigrated to a world overrun by demons and monsters, gaining an immortal body. Because the world's class-change ritual was incredibly expensive, he exploited a bug to gather enough money to participate. On the day of the ritual, he became an SSS-rank Forbidden Spellcaster, but everyone around him mocked him. This was because SSS-rank Forbidden Spellcasters consumed their lifespan to cast skills, making them notoriously short-lived. Only Ye Lin knew that with his immortal body, the flaws of the Forbidden Spellcaster class were completely irrelevant to him.

Forbidden Spellcasters are short-lived? What does that have to do with my immortal body?

Watching Ye Lin casually unleash hundreds of forbidden spells, everyone was terrified. "Brother, how many lives do you even have? You're using forbidden spells like basic attacks?!"