Room of Swords

The 34th time Gyrus wakes up in a world ruled by monsters, he still thinks it's his first! Little does he know, he's stuck in a loop until he can survive long enough to collect the treasured “boss sword” from the Boss of Monsters and unlock the mythical Room of Swords before he dies agai-– whoops, too late! Well, here’s to lucky thirty-five… (Source: Webtoons)