Explore how to use the Simple Key, which is an early-game item you might have seen in Hollow Knight Silksong.

You will find the Simple Key near the start of the gameplay in Hollow Knight Silksong. However, the use of this item does not become clear until you make some progress further into the game.
The opportunity to use this key comes in the Marrow area, which is unlocked after defeating the Moss Mother boss. Here is where to use the Simple Key.
(Note: You will likely want to attempt the following process after you have at least unlocked the ability to dash/sprint. Moreover, the Drifter’s Cloak is another nice addition to have, but it not necessary.)
Where To Use the Simple Key in Hollow Knight Silksong?

The Simple Key is used to unlock a locked gate that leads to the Wormways. However, the path to get to this door might be a good challenge. Follow these steps:
- Firstly, head to the upper part of the Marrow and turn left to enter Mosshome.
- Here, you will encounter a bunch of pilgrim enemies. Beat them or avoid them—the choice is yours.
- At the end of the room, hit the lever to open a gate below you. Turn left after dropping down.
- Now, you will be in a crucial area. Before attempting any more jumping, fall down through the first gap you see. This will put you into another area with another lever nearby.
- Make sure to flip this lever, as doing so will lower the elevator, which will be a quick shortcut to get back to this area in case you fail.
- Now head back up and jump across the platforms to reach the other side.
- If you do not have the ability to dash or haven’t acquired the Drifter’s Cloak either, then you will have to pogo jump on top of the flying enemies to reach the other side. This process is significantly harder but still not impossible.
- Regardless, you will have reached near the end of this journey. This room will have an enemy on the roof that pours down toxic acid on you. You can simply sprint past this enemy without battling it or take cover under the various platforms in the area.
- Lastly, you will arrive at a gate where you can insert the Simple Key.
How To Get the Simple Key in Hollow Knight Silksong

You can get this item from a merchant at Bone Town for 500 Rosaries. This might be a challenge to obtain in the early game without a good farming spot. So, you can come back later with the dash ability to make life much easier.
That was everything to know about where you can use the Simple Key in Hollow Knight Silksong.
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