- Arachnomancer: Found in the Darkovia region, this monster can drop the Darkovia Treasure Chest, which contains various rewards such as weapons, armor, and accessories.
- Binky the Clown: Located in the Carnival of Shadows, Binky the Clown has a chance to drop the Shadow Carnival Treasure Chest, containing items related to the circus theme.
- Blood Titan: A powerful foe found in the Underworld, Blood Titan can drop the Underworld Treasure Chest, which includes rare and valuable loot.
- BoneCrusher: Residing in the Necropolis, BoneCrusher drops the Necropolis Treasure Chest, filled with items inspired by the undead and death.
- Captain Rhubarb: A pirate captain encountered in the Valencia region, Captain Rhubarb drops the Valencia Treasure Chest, containing pirate-themed rewards.
- Chained Cyclops: Found in the Chaos Realm, Chained Cyclops can drop the Chaos Realm Treasure Chest, granting players access to powerful items.
- DarkMak: An evil entity lurking in the ShadowFall region, DarkMak drops the ShadowFall Treasure Chest, containing a mix of rare items and materials.
- Deadeye: A skilled marksman found in the Battleon Town, Deadeye drops the Battleon Treasure Chest, granting a variety of useful rewards.
- Deepwyrm: A formidable dragon residing in the DragonFable region, Deepwyrm can drop the DragonFable Treasure Chest, which includes dragon-themed items.
- Drakath: The dark lord himself, Drakath, has a chance to drop the Drakath Treasure Chest after being defeated. This chest contains exclusive rewards and materials from the Drakath storyline.
- Galanoth: An ancient lich inhabiting the Shadowy Crypt, Galanoth drops the Shadow Crypt Treasure Chest with items related to dark magic and undeath.
- General Escherion: A powerful undead commander found in the Undead Legion, General Escherion can drop the Cursed Legion Treasure Chest, granting access to unique weapons, armor, and accessories.
- Giant Spider: Encountered in the Forest of Doom, the Giant Spider drops the Forest of Doom Treasure Chest, containing a variety of nature-themed rewards.
- Huntsman: Residing in the Greenguard Forest, the Huntsman drops the Greenguard Treasure Chest, which includes items inspired by nature and hunting.
- Ignus Pyronix: A fire elemental found in the Volcanic Ash zone, Ignus Pyronix drops the Volcanic Ash Treasure Chest, granting various fire-themed rewards.
- King Alteon: The ruler of the human kingdom, King Alteon, has a chance to drop the King Alteon Treasure Chest after being defeated. This chest contains exclusive items and materials related to the royal lineage.
- King Alteon's Guard: The loyal guards of King Alteon, they have a chance to drop the King Alteon's Guard Treasure Chest, containing items inspired by the royal guard.
- Kor'ul the Kobold: A mischievous kobold found in the Battleon Town, Kor'ul the Kobold drops the Kobold Treasure Chest, filled with various rewards and surprises.
- Lord Bane: A powerful undead lord residing in the Cursed Vale, Lord Bane drops the Cursed Vale Treasure Chest, granting access to unique items related to the cursed realm.
- Lycan: A vicious werewolf found in the Shadowy Forest, Lycan drops the Shadowy Forest Treasure Chest, which includes items inspired by darkness and nature.
- Master of Mowgli: Residing in the Jungle Dojo, the Master of Mowgli drops the Jungle Dojo Treasure Chest, containing items themed around martial arts and nature.
- Medusa: A formidable gorgon encountered in the Forgotten Desert, Medusa drops the Forgotten Desert Treasure Chest, granting access to items inspired by ancient civilizations.
- NecroGuard: Found in RavenLoss, NecroGuards have a chance to drop the RavenLoss Treasure Chest, which includes items related to the undead and darkness.
- Phantasm: An elusive ghost haunting the Graveyard, Phantasm drops the Eerie Graveyard Treasure Chest, filled with spooky and eerie rewards.
- Phantom: Residing in the Shadowy Hollows, Phantom has a chance to drop the Shadowy Hollows Treasure Chest, containing items inspired by the realm of shadows.
- Pirate Captain Kane: A notorious pirate sailing the seas, Pirate Captain Kane drops the Treasure Chest, containing various naval-themed rewards.
- Quibble Coinbiter: A mischievous sprite found in Luck's Repose, Quibble Coinbiter drops the Luck's Repose Treasure Chest, granting access to items related to luck and fortune.
- Reaver: A formidable undead creature encountered in the Reaver's Gate, Reaver drops the Reaver's Gate Treasure Chest, which includes items inspired by the undead and darkness.
- Robina Hoodlum: A cheerful thief residing in the Treetop Outpost, Robina Hoodlum has a chance to drop the Treetop Outpost Treasure Chest, filled with various rewards.
- Shaman Kobi: A powerful shaman of the DragonLord's faction, Shaman Kobi drops the ShadowDragon Treasure Chest, granting access to items inspired by the draconic forces of the DragonLord.
- Stheno the Gorgon: One of Medusa's sisters, Stheno the Gorgon, has a chance to drop the Forgotten Grotto Treasure Chest, containing items related to ancient civilizations.
- Stone Titan: A colossal guardian found in the Mountain Titan's Peak, Stone Titan drops the Mountain Titan's Peak Treasure Chest, filled with items themed around strength and resilience.
- Thalak: An ancient and powerful cyclops, Thalak has a chance to drop the Cyclop's Treasure Chest, containing items inspired by the colossal beast.
- The Collector: A mysterious figure lurking in the shadows of Lore, the Collector can rarely drop the Collector's Treasure Chest, containing valuable and unique items.
- The Dark Lord: The main antagonist of Adventure Quest Worlds, the Dark Lord has a chance to drop the Dark Lord's Treasure Chest, granting access to powerful and exclusive items.
- The Ravenous: An ancient and formidable beast residing in the Hollowborn Depths, The Ravenous has a rare chance to drop the Hollowborn Depths Treasure Chest, containing unique rewards related to the abyss.
- Thunder Titan: A mighty elemental titan encountered in the Titan Realm, Thunder Titan drops the Titanic Temple Treasure Chest, granting access to items inspired by the elemental forces.
- Vath: An ancient and powerful vampire residing in the Vampire Kingdom, Vath drops the Vampire Kingdom Treasure Chest, granting access to items inspired by the realm of vampires.
- Werepyre: A vicious werewolf encountered in the Bloodmoon Hollow, Werepyre drops the Bloodmoon Hollow Treasure Chest, containing items inspired by darkness and lycanthropy.
- White Dragon of the Frozen Wastes: A formidable dragon found in the Frozen Wastes, the White Dragon drops the Frozen Tundra Treasure Chest, filled with items themed around the icy realm.
- Xan: An ancient and powerful warrior of the Yokai, Xan drops the Yokai Realm Treasure Chest, granting access to items inspired by the mystical realm of spirits and monsters.
- Yokai: Mythical creatures encountered throughout the game world, Yokai have a chance to drop the Yokai Treasure Chest, containing a mix of items inspired by Japanese folklore.
These are just some of the many monsters that drop treasure chests in Adventure Quest Worlds. The rewards obtained from these chests can greatly enhance your character's power, appearance, and capabilities, making them a valuable aspect of the game.