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As youย make your way toย the Mourning Aix world boss, you may discover another puzzle near the teleportation point. The Fallen Grave contains one Encryption Block puzzle that may stump numerousย Wuthering Wavesย players.ย In order toย find the solution to the Fallen Grave puzzle, you must discover five Key Repeaters and light up all the panels on the ground. Three Key Repeaters can activate the panels in two directions, while the rest can only light up one path.ย
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Wuthering Waves Fallen Grave Puzzle Solution

There are five Key Repeaters that you need to get to solve the Fallen Grave puzzle in Wuthering Waves. Two are guarded by Tacet Discord monsters, while the rest can be found on the ground. Here are their locations:
- On the second floor, guarded by two monsters.
- You can also find another one on the left platform.
- Hiding behind the stairs to your left.
- On the top side of the puzzle panels.
- Located on the bottom side of the panels.
I recommend killing the Tacet Discord monsters first so they wonโt get in your way. The four enemies areย quiteย weak and shouldnโt cause you too much of an issue. The right platform contains twoย Tic Tac enemiesย with Havoc elements, while the left hasย Spectro Zig Zagย monsters.
Once the area is clear, you can start picking up the Key Repeaters. You can levitate these objects by clicking T on a keyboard or pressing the LB and Y buttons on a controller. Afterward, you need to aim where you want to place the Key Repeater. If necessary, you can also rotate one by pressing the E key or Y button.
Here is the solution to the Fallen Grave puzzle in Wuthering Waves:

Key Repeaters 1, 2, and 4 can light up the panels in two directions. On the other hand, numbers 5 and 3 can only activate the panels on one path.
Rewards
Finding the solution to the Fallen Grave puzzle in Wuthering Waves will give you one Advanced Supply Chest. Here are the rewards you will obtain:
- Astrite x20
- Union EXP x30
- Wood Texture Shard x3
- Shell Credit x6,000
- Advanced Energy Core x1
- Medium Energy Core x1
- Basic Energy Core x1
Astrite is the premium currency in Wuthering Waves, and you can get more for free by solving puzzles like the one in Fallen Grave. On the other hand, the Wood-Textured Shard is a special drop that you can exchange for rare materials at the Souvenir Store in Jinzhou.