Players can craft using materials currently stored in the bank, from anywhere in the world, without needing to retrieve the items first. The cost of the bag slots increases with each extra slot purchased starting at 10, (then increasing to 1, 10, 25, 25, 25, 25, for a total of 111 10 for all slots (not including the bags that go into them). The bags can be changed out and it is common practice to progressively place larger bags. These provide no additional item storage slots, but allow placement of a bag that has item storage capacity. An additional seven bag slots for more space are purchasable. Initially a character's bank account (vault storage space) contains 28 item storage slots at no cost.