apparently this and the censer of antipathy, and the censer of abandonment are obtained from talking to vanessa (npc) in Ru'Lude Garden. they are apparently for some ENM quests in mea,holla, and dem.
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Sir CorLeonisX: "Nah, SE will just declare it an exploit to fight him with jobs over 75 since it's not the "proper" way to kill it, and just ban us all instead."
Deadonarrival: "Dart as usual, your post is made of FAIL."