Screenshot by Destructoid
While at the Bone Bottom camp in Hollow Knight: Silksong, Hornet can spend a considerable amount of rosaries to get a few handy items, going from a Mask Shard to a Simple Key.
But although the latter’s description hints at a grand purpose, no further clues are given. Here’s what the Simple Key does in Hollow Knight: Silksong and how you can get a second one.
What does the Simple Key do in Hollow Knight Silksong?
You can use Simple Keys in Hollow Knight Silksong to open simple doors across the game’s many maps. The doors can lead to either hidden areas or kickstart quests. For example, you can use a key to free the Green Prince from his cell in Sinner’s Road. Keep in mind that each Simple Key can only be used once.
In our case, we used the Bone Bottom key to open the door featured in the image below, located in Wormways. As we had already unlocked the Cling Grip, we then followed the path to easily reach Alchemist Zylotol and complete the Alchemist’s Assistant wish. We then headed down to unlock the Wanderer Chapel and acquire its Crest.
How to get another Simple Key in Hollow Knight Silksong
For those who have already used their first key but want to free the Green Prince, you can also get a Simple Key in Silksong by heading north of his location at Sinner’s Road until you reach the spot marked below. Be aware, though, as you will need to get past worm-filled waters, complete a spine-filled platform sequence, and face a Roachkeeper in a one-on-one duel to acquire the reward. If you have already met them, you can also spot Garmond and Zaza within the path.

Although Sinner’s Road’s first bench will be inaccessible, even after you pay its Rosaries tool, you can unlock the region’s true saving and resting place by heading to its easternmost area. There, you will also find and meet the Styx.
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Published: Sep 7, 2025 03:15 am