• UpgradablePotion.java - Base class for upgradable potions
• Potion.java - Base potion class
• PotionOfLiquidFlame.java - Example implementation
• PotionOfHealing.java - Example implementation
• PotionOfFrost.java - Example implementation
• PotionOfParalyticGas.java - Example implementation
• PotionOfToxicGas.java - Example implementation
• PotionOfMindVision.java - Example implementation
• PotionOfInvisibility.java - Example implementation
• PotionOfLevitation.java - Example implementation
• PotionOfStrength.java - Example implementation

This entity is a base class implemented in Java, no JSON configuration exists

No specific string resources for the base class. Subclasses define their own strings.

This entity is implemented in Java, no Lua script exists

• Class: `com.watabou.pixeldungeon.items.potions.UpgradablePotion`
• Extends: `Potion`
• Package: `com.watabou.pixeldungeon.items.potions`
• Purpose: Provides upgrade/degrade mechanics for potions
• Key Method: `qualityFactor()` returns `Math.pow(2, level())` - volume scales exponentially with upgrade level
• Upgrade Behavior: When upgraded, creates a new upgraded potion if quantity > 1
• Degrade Behavior: When degraded, creates a new degraded potion if quantity > 1
• Random Generation: 15% chance to be upgraded once, 2.25% chance to be upgraded twice
• Visual Indicator: `visiblyUpgraded()` returns the potion's level

• PotionOfHealing
• PotionOfLiquidFlame
• PotionOfFrost
• PotionOfParalyticGas
• PotionOfToxicGas
• PotionOfMindVision
• PotionOfInvisibility
• PotionOfLevitation
• PotionOfStrength

• Potion (Item) - Base potion type
• Potion of Healing
• Potion of Liquid Flame
• Potion of Frost
• Potion of Paralytic Gas
• Potion of Toxic Gas
• Potion of Mind Vision
• Potion of Invisibility
• Potion of Levitation
• Potion of Strength