Lowest to highest of the chest grades:
This chest is gained from losing in grudge matches.
Losing all 5 arena fights.
Drops common to uncommon items.
This may look almost identical to a level 0. It's lighter in shade than level 0. With better quality of wood and metal.
Obtained by Grudge wins, 4 loses with 1 win from arena.
It drops from uncommon to rare type items.
New look(looks identical)
Obtained by Single match wins. 3 loses and 2 wins in arena.
Drops rare to grand often. Small chance supreme and very rarely flawless.
Old look- Is Lighter in shade than level 1. It has no cracks. Has golden lock.
Obtained by basic expeditions? 2 losses 3 wins in arena.
Losses in brawl.
Drops grand to supreme, 5% chance of flawless
Old look- It's different from a level 2 because it has a golden frame except 2 stripes.
Obtained by 1 loss 4 wins in arena.
Special Event bosses and story missions.
Drops supreme to epic at least 1.With the rest under supreme.
Old look- This has a fully golden frame. Some gems embedded on top.
Level 5 (Legendary Chest)
Obtained by 5 wins 0 losses in arena.
Win in brawls.
Legendary expeditions. Drops supreme to Unreal
Old look- Has fully golden frame, It is red with Gold frame and embedded gold gems.
There is a difference to chest when opened. If a Legendary+ is gained there is blood on the chest.
No Legendary (at least 1 supreme to epic) With a legendary or unreal
Special edition chestsEditThis can be any level of chest. This is different with the bats flying around plus brighter background light. Is only shown when a Cosmetic drops.
Drops: level grade of chest items any chest. Rare limited Halloween Cosmetics.
Only drops during Frost's horrible havoc event and only when you receive a cosmetic .
During the Revolution event chests with event cosmetics loot will have fireworks.
Rising sun event
Drops during the rising sun event.