Phantom Blade Zero Sha Chi Tower Cracked Wall

The cracked wall in the Sha Chi Tower in Phantom Blade Zero is a hidden passage that leads to a secret room containing a valuable upgrade material. To open it, you must find and activate a nearby mechanism, typically a pressure plate or a breakable object in the same area. This guide explains the exact location, the activation method, and what you will find inside.

Formula

The calculator above is a general tool for measuring how quickly you can reach the mechanism and return to the cracked wall. The formula is:

Speed = Distance ÷ Time

Where:

• Distance (d) is the distance from the cracked wall to the mechanism, in meters.
• Time (t) is the time it takes you to travel that distance, in seconds.
• Speed is the result in meters per second (m/s).

This is a simple way to gauge your movement speed for timed puzzles, though the game does not display a timer.

Worked Example

Suppose the mechanism is 5 meters away from the cracked wall, and it takes you 10 seconds to reach it. Using the formula:

Speed = 5 ÷ 10 = 0.5 m/s

So your average speed is 0.5 meters per second. The calculator shows the same result: 0.5 m/s.

Where Is the Sha Chi Tower Cracked Wall?

The Sha Chi Tower is a multi-floor dungeon in Phantom Blade Zero located in the eastern part of the map. The cracked wall you are looking for is on the second floor, in a small alcove behind a stack of wooden crates. You will know you are in the right spot when you see a faint glowing seam running vertically down the wall.

To break it, you normally need a charged heavy attack or a specific skill that can break destructible surfaces. A normal light attack will not work. If you have the “Shatter Strike” skill unlocked, a single charged hit will do the job.

How to Open the Cracked Wall

Follow these steps to open the wall:

1. Clear the enemies in the room to avoid interruptions.
2. Look for a pressure plate on the floor near the wall. It is a square stone tile slightly lower than the surrounding floor.
3. Stand on the pressure plate for 3 seconds. This causes a grinding sound and the wall begins to slide open.
4. If the wall does not open, check for a breakable jar or a torch nearby. Smash the jar or light the torch to trigger the mechanism.
5. Once the wall is open, enter quickly—it may close after 15 seconds.

If you miss the window, simply repeat the steps. The wall resets when you leave the room and return.

What’s Inside the Secret Room?

The hidden room contains a chest with a Sha Chi Essence, a rare material used to upgrade your weapons to their final tier. There is also a lore tablet that explains the history of the tower’s original inhabitants. The room is small, but it is the only source of this essence in the area, so it is worth the effort.

Additionally, you will find a small amount of in-game currency and a consumable healing item on a nearby table.

Common Problems and Fixes

Players often report the wall not opening even after standing on the plate. This usually happens because they are not standing in the center of the plate. The hitbox is slightly smaller than the visual tile, so position yourself directly in the middle.

Another issue is that the wall closes too quickly. If you are playing on a high difficulty, enemies may interrupt you. Clear the room first, then activate the mechanism. Also, note that the wall will not open if you are in combat—you must be out of combat for the trigger to work.

If the wall still won’t open, fast-travel to a nearby shrine and come back. This resets the room’s state and usually fixes the bug.

Is There More Than One Cracked Wall?

Yes, there are three cracked walls in the Sha Chi Tower. The one described above is the first and easiest to find. The second is on the third floor, behind a bookshelf that you need to pull using a lever. The third is in the basement, accessible only after defeating the area’s mini-boss. Each hides a similar secret room with different rewards—the basement one contains a unique armor piece.

To find them all, explore every floor thoroughly and look for subtle cracks on walls that are not part of the normal architecture. Using your focus vision (if unlocked) highlights these cracks in a golden glow.

Frequently Asked Questions

Can I open the cracked wall with a normal attack?

No, normal attacks do not damage cracked walls. You need a charged heavy attack, a specific skill like Shatter Strike, or an explosive barrel. If you do not have any of these, come back later after unlocking the skill.

What happens if I miss the loot inside?

The chest and items do not disappear. If the wall closes, just reactivate the mechanism and go back in. The room stays as long as you are in the tower. Leaving the tower and returning resets the room, but the chest remains until you open it.

Is the Sha Chi Essence used for anything else?

Yes, the Sha Chi Essence is also required for a side quest that unlocks a hidden boss fight. If you use it to upgrade a weapon, you will need to find another one in a later area or from a merchant. It is safe to use, but if you want to complete the side quest first, hold onto it.

Why is the wall not glowing anymore?

The glow is a visual indicator that the wall is breakable. If it stops glowing, it means you have already opened it, or the room has been reset. If you haven’t opened it, try leaving the room and re-entering to refresh the visual.

Does the cracked wall respawn?

No, once you open a cracked wall and take the loot, it does not respawn. The wall remains open permanently. If you die before opening the chest, the wall stays open, but the chest may reset if you die inside the room.

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in t | Time to open (seconds) | s | 10 | 0
in d | Distance to mechanism (m) | m | 5 | 0
out pace | Time per meter | s/m | t / d | 2
out speed | Speed (m/s) | m/s | d / t | 2