A Hornet's Guide to Every Simple Key in Silksong
I still remember the first time I saw a Simple Lock in Hollow Knight: Silksong. It was a smug little door in the Deep Docks, and I had no key. I had Rosaries, a needle, and a bad attitude, but none of that mattered. What good is a key if you forget where the lock is? And what good is a lock if you never find the key? As of 2026, Pharloom has not gotten any kinder, so I am writing down every Simple Key location and every Simple Lock use I have found, so you do not have to backtrack through a thousand crawling tunnels like I did.
Simple Keys are single-use, which is why I treat each one like a precious secret. There are only four in the game, and each one opens a specific door. If you waste one, you will feel it. So let us walk through the keys first, then the locks.
The Four Simple Keys of Pharloom

Key #
Location
Cost or Requirement
What to Remember

1
Bone Bottom
500 Rosaries
Buy from Pebb the merchant

2
Sinner's Road
Double jump or clawline
Top northeastern corner, survive the ambush

3
Sands of Karak
Quick traversal before the path vanishes
Far east bench, body of a dead bug

4
The Wandering Merchant quest
650 Rosaries
Find Jubilana, then unlock her at First Shrine

1. Bone Bottom: Pebb's Price

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