A Questionable Collection

Obtaining
Talk to Otomai (-55,15) and offer your help. 

Step 1: Common Knowledge
'Go and learn how to capture souls. The dungeon key must be on creatures of the region'


 * Find the Bulb Cavern.


 * Complete the dungeon.


 * Reward
 * 35,000 XP

You can now go back to Otomai and start the quest An Eternal Harvest.