

Nearly all weapons and accessories have up to a 75% chance of receiving a random modifier upon the item's creation: Naturally generated in a Chest, crafted, looted from a grab bag (excluding Presents), or dropped by a slain enemy. Modifiers can be added or changed afterwards by the Goblin Tinkerer's Reforge function. Most but not all weapons and accessories will receive a modifier upon the item's creation.

Weapon-like items that do not inflict damage (e.g., a Bug Net) cannot gain modifiers neither can the two stackable weapons ( Bananarangs and Light Discs) nor consumable weapons (e.g., Shurikens). Tools that damage enemies, such as pickaxes and hammers, may also have these modifiers. The effects of a given modifier can be all positive, all negative, or mixed. Weapon modifiers alter the statistics of that particular weapon, and can affect up to five statistics.Certain accessory-like items that cannot be placed in an accessory slot (e.g., a Cell Phone), cannot receive modifiers. The modifier is applied as long as the accessory is equipped. Accessory modifiers will grant a bonus to one of the player's stats, such as defense, movement speed, or maximum mana.Hovering the cursor over an item with a modifier in an inventory slot will show the modification details beneath the item's description. A complete list of all eighty-three (83) modifiers can be found below.

It changes the name of an item by adding a prefix to the item's name (displayed when selected in the hotbar and in its tooltip), such as "Adept", "Godly", or "Broken" (e.g. A modifier, also known as a prefix (although in some languages it becomes a suffix), applies permanent changes to an item's statistics.
