Increasing Level Cap in Dungeon

San Jin-Sang was a mage in a hunter dominated world but there was a slight problem his level cap is only one so he can only level up to one. But wheel of luck turned upside down when he got stuck in a dungeon and it's gate got closed for 2 years.

"I have to live in this dungeon for 2 years what a joke..."

After 24 hours he noticed a change in his status his level cap got increased by 1.

what will he do now ?