It appears that Filandras Mistcaller is bugged right now. Twice now I've seen people be able to interact with him directly following a server shutdown, but then he's no longer able to be spoken to again.
Rare
Pollous the Fetid
Pollous the Fetid is a Rare Elemental, level 10 to 45, hostile to players. It is found in Val'sharah.
Details
Pollous the Fetid at a Glance
ReactionHostile
FactionMonster
Faction groupother monsters
RolesRare spawn, Drops collectibles
ZoneVal'sharah
What does Pollous the Fetid do?
Rare spawnRare
Drops collectiblesFetid Waveling (Battle pet)
Level and Map Tracking
The game data tunes Pollous the Fetid for levels 10 to 45, Legion content.
In the Client Files
Standing toward playersHostile
Where is Pollous the Fetid?

ZoneVal'sharah
Named byFetid Waveling (Battle pet)
Zone: the in-game source line of a collectible.
Collectibles Pollous the Fetid Drops
- Fetid Waveling (battle pet): its in-game source line reads “Drop: Pollous the Fetid”.
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Bugged. He's just staring at a wall. Had 4 people try to aggro him, but it won't work.
This rare is bugged atm on Emerald Dream
Community notes from Wowhead · 29 comments
Top 3 shown aboveThe comments below were written by Wowhead users. They are community notes, not TheWoWDB comments. See them in context on Wowhead.
The top 3 are shown in Top Comments above. Read all 29 on Wowhead.
Game Data
Creature ID94485
Display ID49027
Faction template14
Content tuning332
Related
Background
Art © Blizzard Entertainment. Fan reference, not affiliated.