Absolute Reign

The past has changed, but like a fiery comet, he still comes. Mugi Hwa, the one without equal, slashed through Murim's skies with his sword, toppling every lord who dared to face him–even Cheonma, Mugeuk Geom’s father. But Mugeuk didn’t accept defeat. Instead, he turned to the forbidden: a time-bending ritual that hurled him into his own past. Now, retracing his steps, he races against the clock until Mugi emerges once again. But this time, it's not just about power, but mending old wounds and forging new bonds to unite his people and prepare for the bloodtide to come.(Source: WEBTOON)

Regret is the bane of old men. When aging Alliance Lord Hajin Cheon of the Grand Martial Alliance reflects on his immense legacy, he finds that he recalls little of his deeds or even the lives of his closest advisors. Stricken by a mysterious ailment, Hajin suddenly passes away only to wake up in the body of Ridan Byeok, heir to the Byeok Clan of swordsmen. The only problem is, Ridan is a well-known wastrel, the polar opposite of the virtuous and stern Hajin. Righting the wrongs of his predecessor, Hajin begins to uncover the truth behind his death…(Source: WEBTOON)