• ChaosCrystal.java
• UsableArtifact.java (parent class)
• Item.java (base class)

• Package: `com.nyrds.pixeldungeon.items.chaos`
• Extends: `UsableArtifact`
• Image: `items/artifacts.png` (index 9)
• Fuse duration: `TIME_TO_FUSE = 10`
• Use duration: `TIME_TO_USE = 1`
• Charge mechanism: Increases by 1 when owner takes damage (max 100)
• Identify levels: 3 levels (0=unknown, 1=Chaotic Crystal, 2=Chaos Crystal)
• Actions: `AC_USE` (set Chaos Mark), `AC_FUSE` (fuse with items)
• Fuse requirements: charge >= 50 and identifyLevel > 1
• Glow effect: Random color glow when unidentified

• Scroll → ScrollOfWeaponUpgrade
• Bow → ChaosBow
• MeleeWeapon → ChaosSword
• Armor → ChaosArmor
• Wand → ChaosStaff
• Shield → ChaosShield (via ItemFactory)

This entity is implemented in Java, no JSON configuration exists

<string name="ChaosCrystal_Name">Strange Crystal</string>
<string name="ChaosCrystal_Name_1">Chaotic Crystal</string>
<string name="ChaosCrystal_Name_2">Chaos Crystal</string>
<string name="ChaosCrystal_Info">You feel streams of energy, running through your hands while you holding it.</string>
<string name="ChaosCrystal_Info_1">Chaotic powers flow through this crystal. Maybe it might be useful.</string>
<string name="ChaosCrystal_Info_2">Yes! Now you know, that you can fuse it with one of your items, but what's next?</string>
<string name="ChaosCrystal_Use">USE</string>
<string name="ChaosCrystal_Fuse">FUSE</string>
<string name="ChaosCrystal_Prompt">Choose place to set Chaos Mark</string>
<string name="ChaosCrystal_SelectForFuse">Choose item to fuse Chaos Crystal in</string>
<string name="ChaosCrystal_ScrollFused">Crystal absorbed by rune inscribed on scroll, and now it is a %s</string>
<string name="ChaosCrystal_SwordFused">Crystal absorbs your weapon, and took the form of a Sword</string>
<string name="ChaosCrystal_BowFused">Crystal absorbs your bow, and took the form of a Bow</string>
<string name="ChaosCrystal_StaffFused">Crystal absorbs your wand, and took the form of a Staff</string>
<string name="ChaosCrystal_ArmorFused">The crystal fused with your armor, and it took the chaos form.</string>
<string name="ChaosCrystal_ShieldFused">The crystal fused with your shield, and it took the chaos form.</string>

This entity is implemented in Java, no Lua script exists

• Chaos Sword (Item)
• Chaos Bow (Item)
• Chaos Armor (Item)
• Chaos Staff (Item)
• Chaos Shield (Item)
• Scroll of Weapon Upgrade (Item)