Serpent’s Amnion is a Key in Elden Ring.
Amnion from the mother’s womb which cradled the poor unwanted offspring of a repellant birthing ritual.
It will never dry out, remaining damp indefinitely.
Elden Ring in-game description
Serpent’s Amnion Location

Additional Insights Into Serpent’s Amnion
- Effect: Amnion from a womb that bore unintended offspring
- Rarity: Rare
- Sell Value: 0 Runes
- Serpent’s Amnion can be traded.
- On-Hand Capacity: 1
- Storage Capacity: 1