For Challenge: Any pet with Call Lightning - I used Hydraling, any should do though and Clockwork Gnome 1-2-1
Whirlpool
Call Lightning
Switch to Clockwork Gnome
Build Turret
Metal Fist til Boss dead
Metal Fist til Clockwork Gnome dead
Used Emerald Proto-Whelp 2-2-2 to clean up everything
Elite
Hiss
Lord Serpentis' Companion
The highest voted Wowhead comments for this page. They are community notes, not TheWoWDB comments.
I hate to sound like a broken record, but Haunt Bomb lol. (For non challenge mode)
Unborn Val'kyr X,2,1
Zandalari Anklerender 2,X,2X means take whatever you want.
Use whatever you want for third pet.
I used Unborn Val'kyr (x-2-1), Mei Li Sparkler (x-x-1), and a third pet depending on the back row.
Start with Unborn Val'kyr and use Curse of Doom then Haunt.
Switch to Mei Li Sparkler and use Swarm. Hiss should die at this point.
Faceroll from this point on.
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 · 25 comments
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Level and Map Tracking
The game data tunes Hiss for level 1.