Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10-nen ga Tattara Densetsu ni Natteita.  

ここは俺に任せて先に行けと言ってから10年がたったら伝説になっていた。, 10 Years after saying “Leave this to me and go”, I Became a Legend.

According to the sorcerer Luck, he thinks that his time has come to an end. He is surrounded by strong demons and sacrifices himself so that his friends can escape. Despite not getting any rest or sleep, Luck fights off his enemies with swords and blood. Against all odds, he defeats the commander and emerges victorious. However, when he returns, he finds that 10 years have passed and his body has aged back to that of a teenager. After his triumph, Luck is reunited with his friends Erik and Golan Morton, who believed him to be dead. They honor him as a hero and prepare for the upcoming battle against the demons. With all that in mind, Luck decides to start a new journey as a novice adventurer under the name Lock with new companions.

Koko wa Ore ni Makasete Saki ni Ike to Itte kara 10-nen ga Tattara Densetsu ni Natteita. has been published digitally in English as I Became a Legend after My 10 Year-Long Last Stand though Comikey since June 17, 2022, and by Square Enix through Manga UP!