Wuchang: Fallen Feathers, being a Soulslike game, features a wide variety of puzzles and mysteries that will often get your head scratching. The interesting part is that the puzzles that seem difficult often have an easier solution than those that seem more challenging.
One such puzzle that you’ll come across during your journey is to Heed the teachings of the Primordial Deity and unlock a Gate. While the puzzle may seem complex, it’s fairly simple, and the following guide covers everything you need to do in detail.
Guide to Heed the teachings of the Primordial Deity to Unlock his Gate in Wuchang: Fallen Feathers

If you want the short answer to this guide, upon encountering the puzzle, you’ll need to follow a certain path from the Rebel Camp in Cloudspire. Once you follow the path, you’ll end up in front of the gate and unlock it.
If you are looking for a more detailed answer, the following few sections will guide you through the exact path to follow to complete the quest.
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Unlock the Rebel Camp

The first step in completing the quest is unlocking the Rebel Camp in Cloudspire. This should be very easy, especially if you have reached Cloudspire in Wuchang: Fallen Feathers and discovered most of the area.
The Rebel Camp Shrine is one of the most important checkpoints for the area and is very hard to miss. Make sure you hit the Shrine and refill your flasks as there are enemies along the way, and if you die, you’ll have to start from the beginning once again.
Follow the path with enemies roaming

The easiest way to figure out the correct path is to follow the one where multiple enemies are placed. Regardless, from the Rebel Camp Shrine, move straight and take the right-most path.
You’ll know you’re on the right track as long as you notice the Rebel Knights with swords blocking your way. You can either fight them or skip them, depending on how confident you are.
As you follow the right-most path, keep moving straight until you hit a hill with two diverging roads. Take the road to the left, where you will notice an open door. Pass through the door, take a right, move straight, and then take a left.
This left road will have a dog and an enemy, which you can skip if you want. Keep moving straight along this road until you come across a building that looks like it is covered by blue Christmas lights.
Take a right from this building, and move straight until you reach the locked door.
Unlock the door

Upon reaching the door, you have now completed the quest. You’ll notice that the door will be glowing yellow, and you will be given an option to activate it.
Pressing activate will open the door and unlock the road to the Outskirts Mining Road. It’s important to mention here that this is not some special area, but instead a shortcut that makes traveling easier.
If you want, you can completely skip this puzzle, though your traveling will become a little bit complicated. It’s also a shortcut between the Shrine and the next major boss of the area.