My Skills Are Endless

This is not a game, not the "Ultimate Skill Attack and Defense Battle" that Duna was addicted to in his previous life. He already understood this when he was almost killed by a wild boar. He traveled across time to the planet Karna, which only existed in the background of the game. He had to use his body to complete a real game. In the past life, it only took sixty minutes to end a game, but now it may take a lifetime...