TheWoWDBThese npcs are continuously casting a spell called [spell=264595].
The cast seems to be counting down and had 1933910 second remaining when i arrived.
Humanoid
Brinescale Wavecaller
The Bilge Rats
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Details
This roster comes from the current game client's data files, so it is not a complete list of every NPC in the game - older world NPCs that are no longer in the modern client are absent.
Community notes from Wowhead · 2 comments
Top 1 shown above · 1 more hereThe comments below were written by Wowhead users. They are community notes, not TheWoWDB comments. See them in context on Wowhead.
I just found some and they are at 1045000 (12.09490741 days) left on the cast..which is next next thursday.
Level and Map Tracking
The game data tunes Brinescale Wavecaller for levels 10 to 60, Battle for Azeroth content.