Estus Flask is a Consumable in Dark Souls.
Prism Stone Usage
- Used to make breadcrumb trails, or to mark areas already visited in confusing places.
- Used to determine the height of a fall. Listen to the sound of the stone hitting the ground. If it's loud, the fall will be fatal.
- Trade one to Snuggly for a Demon Titanite.
Prism Stone Location
- Sold by Undead Merchant (Female) for 10 souls.
- Sold by Patches the Hyena for 10 souls.
- Treasure x20: Chest in The Duke's Archives, beneath the staricase that leads to the Crystal Cave.
Eighth color testing
Per the item description there are eight colors of prism stones. Testing from multiple persons does reveal eight colors. Testing from two sources yielded:
- Light Cyan
- slightly different green
| Bloodred Moss Clump | | Charcoal Pine Resin | | Divine Blessing | | Egg Vermifuge | | Elizabeth's Mushroom | | Estus Flask | | Fire Keeper Soul | | Green Blossom | | Homeward Bone | | Humanity(Consumable) | | Purging Stone | | Purple Moss Clump | | Repair Powder | | Rotten Pine Resin | | Transient Curse | | Twin Humanities |