Click on the challenge button to see the details of challenge.
The challenge dungeon has 75 floors. Higher floor means stronger enemies and better rewards. You should kill all the monsters required in limited time to enter the next floor. Less time you've spent means better rewards you will receive.
Click on the individual dungeon button to see the details of individual dungeon.
There are four different types of individual dungeon.
"Boss Dungeon" provides equipment and pet eggs.
"Experience Dungeon" provides lots of experience and zeny.
"Star Soul Dungeon" provides star soul.
"Job Training Center" provides lots of job experience.