Grab bags are items that contain loot chosen at random when they are opened. They can be opened from within a player's inventory by right-clicking their inventory icons. The Thorium Mod adds three new grab bags to the game.
|Grab Bag||Contains||Acquired From|
|Geode, Crystal Shard, Amethyst, Topaz, Opal, Sapphire, Pearl, Emerald, Ruby, Diamond, Amber||Dropped from Glittering Golems and rarely from all Underground Hallow enemies|
|Pre-Hardmode: Arcane Dust, Smooth Coal, Ocean Bar, Thorium Bar, Aquaite Bar (after defeating The Queen Jellyfish), High-tech Sonar Device
Hardmode: Thorium Bar, Green Dragon Scale, Unfathomable Flesh, Hallowed Charm, Geode, High-tech Sonar Device
Post-Plantera: Titanic Bar, Dread Soul, Demon Blood Shard, Berserker Shard, Harbinger Catalyst, High-tech Sonar Device
|Fishing Anywhere after the Eye of Cthulhu has been defeated|
|Items dropped by bosses, including their Expert Mode exclusive item||Defeated Expert Mode bosses|