Crest

You have been looking for one of the following:

Serpent Crest, reward from the Children of the Revolution Quest and used in the Warmaster Outfits Quest;
Tribal Crest, reward from the Unnatural Selection Quest and used in the Warmaster Outfits Quest;
Vampiric Crest, reward from the Blood Brothers Quest and used in the Yalaharian Outfits Quest.
Crest of the Deep Seas, a helmet dropped by Seacrest Serpents.

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