TheWoWDBIf you are farming this dude for hours withour result, go back and loot another Helgarde Supply Cache, I got 2 keys from looting those caches after farming defectors for hours.
Elite
Maldraxxi Defector
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I got this key off an [npc=160264] in the Ossein Foundry, Maldraxxus. I'm not sure if that's intended to be dropping there, but it is.
It drops in raid
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 · 10 comments
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Level and Map Tracking
The game data tunes Maldraxxi Defector for level 60, Shadowlands content.