The Citadel is a late-game area in Pharloom. It is located at the very top of the kingdom. Hornet must ascend to the Citadel on her quest through Pharloom. The Citadel has been often described as "shining" and "holy".
- Hollow Knight: Silksong Steam page
- Hollow Knight: Silksong official website
- Hollow Knight: Silksong - Details from Team Cherry
- Description in the file where Seth was revealed.