Flasks contain various liquids that can be used for healing, environmental manipulation, or even as weapons. The most common is the Flask of Water, useful for extinguishing fires and diluting harmful substances. Other liquids include oil (flammable), acid (corrosive), blood (healing with certain perks), and various magical concoctions. Always be cautious when experimenting with unknown liquids, as some can be highly dangerous.

Common Flask Contents:
- Water: Extinguishes fire, dilutes harmful liquids.
- Oil: Highly flammable, creates smoke.
- Acid: Corrosive, damages enemies and terrain.
- Blood: Heals with 'Vampirism' perk.
- Healthium: Directly heals the player.
- Berserkium: Increases damage but makes you attack allies.