Sheelo Lance

Access to the quests offered by this NPC must be unlocked by completing.

The trial of the Great Barrier has to be passed in order to get to Aotulia Volcano...

The core of this trial is the 4 sub-quests of. These require you to have completed the main quest sequence for each of:
 * (quests based in )
 * (quests based in )

Only when these quest chains have been completed will the central figure in each area give you the key materials you need to open the to.