Treasure Chest

Treasure Chests are recurring containers in the Legend of Zelda series which house items and are sometimes locked. The boxes differ in colour and garnishment depending on their contents and game they appear in.

Usage
Treasure Chests are Hyrules primary use of storage. They are used to contain things ranging from Rupees to Heart Pieces and so forth. In several games, they are the main or sole provider for Links necessary equipment, such as Hookshots or Bows. Some chests in The Legend of Zelda: Ocarina of Time actually held traps, such as ice breezes that would harm Link.

Ocarina of Time and ''Majora's Mask
In Ocarina of Time and Majora's Mask, there are large, small and Boss Key chests. The small and big chests are both visually identical (with exception of their size), both being a simple brown and held together by iron. With smaller chests, no jingle is played and no light shines when opened. Chests containing a Boss Key are blue with gold decorations.

The Legend of Zelda: The Wind Waker
In The Wind Waker, chests holding items of importance now obtain more colours and shapes. Quest Items are no longer held in simple brown boxes, but have very fancy, impressive and slightly dangerous looks. These, sometimes, also hold Sea Charts. Boss Key chests have kept a similar look from Ocarina of Time, being blue with ornate gold decorations. Simple brown chests also retain most of their qualities from Ocarina of Time. One still lacks a jingle and light, being of low value,. However, they now seem to be the same size and differ in the deepness of their colors.

The Legend of Zelda: Twilight Princess
There is a dramatic change in form and color from Wind Wakers chests in Twilight Princess, especially with ones that contain Boss Keys. Again, mundane brown chests lacking jingles and light make their appearance.

Other Chests
As noted before, some chests contain traps. A few are nearly invisible and need to be materialized with light. Others again might be overgrown by a plant that has to be defeated to make it possible to open up the chests, and some chests even hang from ceilings from spider webs which require cutting down. There are many things that make it difficult to gather what they're holding.

Apart from chests, there are other things that may hold treasure. Even though these are never key items, they still may contain things of great value, such as large sums of Rupees. These objects may be pots, knight armours, or sometimes even hidden in flora and underground.