I Only Cultivate Forbidden Arts Because I'm Immortal

Jiang Ming unexpectedly acquires a mysterious power that grants him eternal life. In the world of cultivation, he fearlessly practices forbidden techniques infamous for their devastating side effects. But, thanks to his immortality, he can endure the deadly backlash of these arts, using them to his advantage as he steadily rises to become one of the strongest cultivators. (Source: Webnovel)

Original Webtoon:
AC.QQ, IQIYI, Mkzhan

Official Translations:
English, Japanese