Treasure Bags are consumable items obtained in Expert Mode as a reward for defeating bosses. Its contents depend on the boss it comes from. It is opened by either right-clicking it inside the inventory or using it while it is in your hand. In multiplayer, each player that is online at the end of the battle receives one Treasure Bag each. Treasure bags are client-side and will despawn if you exit the world.
Each Treasure Bag contains the boss's usual drops from normal mode, along with at least one Expert Mode-exclusive item (orange-highlighted items below).
All Thorium Boss Bags additionally have a 3.33% chance to contain one random set of developer items.
| Click to jump to a specific Treasure Bag!
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In addition to the above, all Treasure Bags (excluding the Lunatic Cultist Bag) have a 3.33% chance to contain a random set of developer items, with a 5% chance in Hardmode to obtain Phonic Wings alongside the random set. Obtaining a Treasure Bag in an Expert world, then opening the bag in a Normal world will retain the Treasure Bag's chance to yield developer items.
Expert Mode-exclusive item details[edit | edit source]
| Bag |
Boss |
Items |
Ability
|
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The Grand Thunder Bird |
 Zephyr's Feather |
A tool that allows the player to ascend and glide short distances with the help of a Grand Thunder Bird hatchling.
|
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The Queen Jellyfish |
 Sea Breeze Pendant |
Allows swimming, extends breath by 25%, and increases damage while in water by 10%.
|
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Viscount |
 Vampire's Catalyst |
Allows the player to transform into a bat, which is capable of flight and provides immunity to most bat enemies.
|
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Granite Energy Storm |
 Eye of the Storm |
While equipped, energy projectiles will slowly seep out and attack nearby enemies, inflicting Granite Surge.
|
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The Buried Champion |
 Champion's Wings |
Decently powerful Pre-Hardmode wings.
|
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The Star Scouter |
 Omega Drive |
A light pet which summons a pet Omega Probe that has offensive capabilities.
|
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Borean Strider |
 Ice Bound Strider Hide |
Damage done against Freezing enemies is increased by 15% and has a chance to heal the player lightly.
|
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Coznix, The Fallen Beholder |
 Beholder Staff |
Summons a Beholder to lay waste to your enemies, which takes up 2 minion slots and reveals nearby enemies.
|
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The Lich |
 Lich's Gaze |
Pressing the Accessory Ability key will trigger True Strikes, which guarantees critical strikes from throwing weapons but requires a 2 minute recharge time.
|
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Abyssion, The Forgotten One |
 Abyssal Shell |
Pressing the Abyssal Guard key will place you into an impenetrable shell, granting invulnerability but disallowing use of items and nullifying damage done.
|
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Lunatic Cultist |
 Ancient Light |
A magic weapon that shoots three bolts of primordial energy, inflicting high damage over a large area of effect.
|
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The Primordials |
 Dormant Hammer |
Used to craft the Mjölnir, which throws an image of the legendary weapon, releasing a storm of energized lightning bolts that deal very high True Damage when hitting an enemy.
|
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Dark Mage |
 Dark Gift |
A Healer spell that rapidly shoots nearly instantaneous beams in an inaccurate fashion that heal allies.
|
 Dark Tome |
A magic weapon that summons a volley of three arcane bolts from behind the player, which are launched towards the cursor's position and are affected by gravity.
|
 Taboo Wand |
Summons a Dark Riser minion that summons additional skeletons when defeating enemies and occupies 2 minion slots.
|
 Arcane Anelace |
A consumable throwing weapon with a 100% chance to become retrievable after use.
|
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Ogre |
 Ogre Snot-Gun |
A ranged weapon that uses Snot Balls as ammunition, launching 4 to 5 snot shots in a random spread that are affected by gravity and inflict Oozed.
|
 Ogre Sandals |
Increases movement speed by 15% and creates a damaging shockwave when landing on solid ground, which becomes more powerful the longer the fall was.
|
 Hippocrati-crossbow |
A radiant weapon that fires Arrows, launching a bolt that damages enemies and heals allies with its power increasing the longer it travels.
|
 Brew Blueprint |
A recipe item for the Cook, who will start selling Etherian Grog after it is given to him.
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