Dungeon
Chamber of Spirits and Training
How to Enter
You can unlock the Chamber by upgrading the Caravan's World Map Interior Facility to Lv.3.
Enter by selecting MENU > Facilities & Events > World Map > Chamber of Spirits and Training.
* Veteran will be unlocked when the World Map reaches Lv.4.
Increase Effect
Use Sphera or a Phantasm Gem upon entering to temporarily increase the amount of EXP and Gold you'll obtain.
When their effects wear off, use another Sphera or Phantasm Gem to prolong the effect.
There is a limit to how many times you can receive this boost.
Sphera
Obtain Sphera from the Caravan's Sphera Pump Interior Facility.