The Demon Clan Invades? But I've Already Become a Saint

[No Female Lead | Ruthless Protagonist | Time Powers | Crushing the Demon Race | Feel-Good Read] The demon race has invaded? I’ve already become a Saint through the power of time. I died in the demonic tide calamity in my previous life, but after being reborn, I gained the one-of-a-kind talent to rewind time. I’ll eradicate the demons and reach the Saint Realm before the apocalypse begins.

I’ll slaughter every monster, single-handedly turn back the apocalypse, and ascend to the legendary Divine Realm.