As well as a brand-new main story campaign, the Burning Shores DLC expansion also brings a few new side quests to Horizon Forbidden West. One of these side quests is called A Friend in the Dark ...

You can pick up the Blacktide Dye outfit from the first dye merchant and the Blacktide Sharpshot bow can be picked up from the first merchant in Burning Shores. Just keep in mind that only once ...