Doomsday: Twelve Forms of Xingyi

The day Li Yan was pushed into the zombie horde by his senior brother, he thought he was dead for sure. When he opened his eyes again, he was back before the apocalypse broke out. The same person pushed him, and the same zombies bit him. But this time, the virus didn't consume him—the system activated. [Ding! Xingyi Martial Ancestor (SSS-level · Unique) bound successfully!] Tiger Form Splitting Fist, max level from the start. Kill zombies to eat life cores, take disciples to get feedback. Tiger Form becomes White Tiger, Snake Form becomes Bashe, Dragon Form becomes Ancestral Dragon. With all twelve forms unlocked, he is the last Martial Ancestor of the apocalypse. But what truly keeps him alive might not just be his fists—it's the people willing to stand behind him in this life. This time, he's not just here for revenge. He's also here to protect everyone he should protect. — Description from novelcodex.org