TheWoWDBMore than likely this is just the NPC they generated to say Sargeras' voice lines in the quest In My Father's House, so that it can show up in the chat log as "Sargeras says:" etc. And of course the Sounds tab on NPCs has him as an infernal, the usual placeholder for NPCs who aren't going to physically appear to the player.
Elite
Sargeras
Sargeras is an Elite Not specified, level 10 to 45, friendly to players.
Details
Sargeras at a Glance
ReactionFriendly
Level and Map Tracking
The game data tunes Sargeras for levels 10 to 45, Legion content.
In the Client Files
Standing toward playersFriendly
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
Could it be?
Aw #$@& it's big bad himself
Community notes from Wowhead · 5 comments
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Game Data
Creature ID113978
Display ID169, 11686
Faction template35
Content tuning345
Related
Background
Art © Blizzard Entertainment. Fan reference, not affiliated.