Item Duplication
Items can easily be duplicated in "Diablo," allowing you to sell your duplicated items for more gold. In order to duplicate an item in your inventory, you must first drop it on the ground. Take a few steps away and then click on the item. Just before your avatar picks it up, left-click an item on your belt and it will turn into the exact object you just set on the ground. You can now place both items in your inventory. Sell the extra item to a shopkeeper, and repeat as many times as needed.
Another method for duplicating items involves the use of a town portal. Cast your town portal, and place an item directly in front of it. Click on the item and immediately enter the portal to teleport back to town. You will notice that the item is now in your inventory, but upon returning through your portal you will also see the object is still lying on the ground, right where you left it. Pick this up, and you've successfully duplicated the item in question.
Indestructible Weapons
Unless marked with the "indestructible" prefix, all weapons take damage over time. If not repaired, this damage will render your weapon completely useless. However, you can make any weapon indestructible simply by holding the "CTRL," "ALT," and "SHIFT" keys and typing "WIN" on your PC's keyboard.
Boss Fights Made Easy
Boss fights can be rather difficult in "Diablo," and to complicate matters further, most bosses are accompanied with hordes of minions. You can make these fights just a little bit easier by casting a town portal right before the beginning of the fight. If you are in extreme danger, run through the town portal and you can quickly teleport to the safety of town. Furthermore, if you happen to die at the hands of a boss, you can simply use your town portal to return to the dungeon instead of having to travel all the way back on foot.