Peltivierre

It was always Elliot's dream to become an Adventurer.
He lacked magic powers to which was why society looked down on him.
His life changed when he was lost in the Forest of Gray Lake, and a book found its way into Elliot's hand. The book was a manual to become strong.
So strong that you could cross the level cap of all adventurers.
A book that contains the secret to surpass level 100.

[ Images on the cover not mine ]

I Know the Secret to Surpass Level 100

A victorious smirk was plastered on Elliot's face. He watched the three help the villagers clean the pheasants for them to cook as their supper. It had been a few hours after Viper finished his task and Elliot was still ecstatic about how Viper put it into words.

Because honestly, he could have answered just "by leveling up". Their system allows them to level up, but the system does not provide the means to level up. It just counts your efforts.

And Viper's words of "growth" was not something that Elliot expected.

"So, there's this thing we're we do in the village to extend the preservation of food," Emelda said to the three. "You're going to need a lot of salt for this. You want to wrap your meat with cloth, like so."

A Giant Snake