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For the Arc Raiders A Symbol of Unification quest, Celeste sends you off to Dam Battlegrounds to raise a flag and try to rekindle some of the unity that existed between raiders during the First Wave. For this, you’ll need to reach the Formicai Outpost, track down the flag, and get it flying like it used to.
As with most things in Embark’s extraction shooter, this is all easier said than done, what with all the robots and hostile players topside out to spoil your fun. In this guide, we’ll walk you through how to reach the Formicai Outpost in Dam Battlegrounds and raise the flag to complete the Arc Raiders A Symbol of Unification quest.
Reach the Formicai Outpost in Dam Battlegrounds

First, you’ll need to reach the Formicai Outpost. It’s located in, unsurprisingly, the Formica Hills in the very south of Dam Battlegrounds. It’s an abandoned raider camp shaped like a plump tower perched on top of a hill. It’s not far from where you’ll need to complete the Broken Monument quest. The building is large enough to spot from quite a distance, which should help with finding it. A Free Loadout is a good option here as there’s no need to extract to complete the quest.
It’s close to many of the map’s southern spawn points, so with a bit of luck, you’ll only have a short trek to reach the Outpost. The area is relatively quiet during most runs, so you shouldn’t expect too many hostile players, and it’s mostly free of roaming Arc robots. Trudge up the steep path south of the Scrap Yard and Wreckage. When you get near the structure, you’ll tick off the first Arc Raiders A Symbol of Unification quest objective.
Locate the flag at the Formicai Outpost

Next, head inside the Formicai Outpost building. As you enter, look to your right to spot a bed with a backpack on it. Approach the backpack, and you’ll see a yellow ‘Search’ prompt. Pick up the Raider Flag that drops from the bag.
Hoist the flag on the small platform overlooking the Red Lake

Continue further into the Outpost, and when you reach a circular room, walk to the balcony platform directly ahead of you. On your left, you’ll see a flagpole with a yellow ‘Raise Flag’ prompt. Raise the flag to complete the final objective.
Head back to Speranza either by dying or extracting, then talk to Celeste. She’ll reward you with an Aviator Outfit, x3 Mod Components, and x5 Duct Tape, wrapping up the Arc Raiders A Symbol of Unification quest. A short cut scene plays afterwards.
FAQs
The Formicai Outpost is located in the Formicai Hills in the south of Dam Battlegrounds.
No, there’s no need to extract to complete the quest. All you need to do is report back to Celeste in Speranza to claim your rewards.
Yes, you’ll need to tick off all three objectives during one round to complete the quest.