Treasure Boxes contain various items depending on the type of box. When you find one, hover your mouse over the box to check the level range to be sure it will provide a drop for you. Attacking a box will do only 1HP damage per attack, regardless of the skill you use. You can see a treasure box as a white dot on your radar map and can visually identify what type of box you have found by the way it appears.
Small Treasure Box[]
Small treasure box
The most common box found as you adventure through the various game locations is the normal Treasure Box. These will usually give you kinah and potions or power shards. With their low HP, only one attack will open the box.
Medium Treasure Box[]
Medium treasure box
This box will usually yield more kinah and items that then the normal box. You have the chance to get armor, weapons, or accessory items as well. These are low HP boxes as well.
Large Treasure Box[]
Large treasure box
As the name implies, these boxes contain more kinah and items, and have higher level of items inside. Some are special boxes with high HP, so you will need to attack them longer to be able to open them. For example, the <Gigantic Box> in Altgard takes several hours to open because it has 12,000 HP.
Special Boxes[]
If you are very lucky, you might find a noble or unique treasure box. These have a high probability of dropping a legendary or rare special item.