(Image credit: Embark) Arc Raiders ' big Riven Tides update has added another four new blueprints to find and collect. Predictably, everyone's rushing to track them down so they can complete the collection (for now) and get to crafting new tools, especially for those embarking on an Expedition , who'll have to say goodbye to their newfound knowledge in a couple of weeks. I'll warn you now that the four blueprints added in the latest update aren't nearly as exciting as those that arrived in the previous Flashpoint update. There are no cool weapons like the Canto and Dolabra this time around, just some unique but rather weak tools. Article continues below How to get the new Riven Tides blueprints in Arc Raiders (Image credit: Embark) The Riven Tides update has added four new blueprints: White Flag : It's just a white flag, which you could use to show other players you're friendly. Powered Descender : A glider used to mitigate fall damage if you deploy it while falling.…