Waveworn Residue 210 is necessary for upgrading Broadblade, a weapon type that resonators can use in Wuthering Waves. There are a few ways you can find this material like doing a forgery challenge or purchasing it from a Souvenir or Weapon Shop. I’ve created a guide below so you can find this material.
Forgery Challenge: Eroded Ruin
You can get Waveworn Residue 210 by doing Forgery Challenge: Eroded Ruin. You’ll find this challenge in the Guidebook, but you’ll need to reach Union Level 20 before you can access it. Each challenge costs 40 Waveplates. I’ve already written a guide on how you can unlock and complete the Forgery Challenge.
Souvenir Shop
At the Souvenir Shop, you can trade two Wood-textured Shards for one piece of Waveworn Residue 210.
Weapon Shop
At the Weapon Shop, you can buy it directly using 2,400 Shell Credits. However, there is a purchase limit on both Weapon and Souvenir Shop, you can only purchase 20 times.
These are the methods that can help you get this material. I hope my guide was helpful for you. While you are at it. Check out my other guides as well
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