Up-leveling
You could up-level or upgrade your skill level and job level by serving
warfare or accomplishing quest missions.
Once you up-leveled, you would obtain bonus points as reward as well
as experiencing special effects of upgrading.
Status Upgrade
Distribute the bonus points which you are rewarded during up-leveling in
the status window and your game character will become stronger as stamina
enhanced.
Click the arrow sign besides the character's status to upgrade its stamina.