Tracking the Worldvein

Description
Now that we have the compass we are ready to proceed with the expedition to find the next Worldvein. Based on the bearing it appears we must venture deep into uncharted seas, prepare for a long expedition.

Counters

 * Azerite Behemoth:
 * Incandescent Azergem Crystalback:
 * Pulsing Azerite Geode:

Rewards
Your followers will gain:
 * 500 follower XP

Progression

 * 1) Worldvein Rumors
 * 2) Investigating the Rumors
 * 3) Finding a Key
 * 4) Tracking the Worldvein