Geom Meongneun Swordmaster

Only a swordmaster can slay another. Arhan believed the tales of Liam Karavan, the founding father of his house, were nothing more than legend, until a deadly swordmaster slaughtered everyone dear to him. In his darkest hour, Liam comes to him as a guiding spirit, revealing the true power of their bloodline--the power to devour blades and inherit the strength and memories held within. With each sword consumed, Arhan draws one step closer to vengeance. To avenge his loved ones and restore House Karavan to its former glory, he must survive the perilous path to becoming a swordmaster.

(Source: WEBTOON)