Account Bound

Account Bound is an item quality indicating that the item cannot be traded to player characters other than the player's alternate characters.

Overview

Account Bound is an item quality indicating that the item cannot be traded to player characters other than the player's alternate characters.
Most items with gold level rarity from the marketplace or from Promethium Lockboxes are account bound.
Account bound items can be traded to a player's alternate character via the Shared Bank tab of the bank.