From Guild Wars 2 Wiki
Dragon Coffer is a container available during Dragon Bash. Every opened Dragon Coffer contains Pieces of Zhaitaffy, and may also contain another item.“
Double-click to open.
— In-game description
- Common drop from foes, more commonly dropped by Holographic Dragon Minions from Hologram Projectors.
- Reward for victory in Dragon Ball.
- Random drop from Standard Citizen's Rescue Bag
- Guaranteed drop from Black Lion Chest between June 17 and July 1, 2014.
- Dragon's Breath Bun
- 1-3 Dragonfish Candy
- Dragonfly Cupcake
- Koi Cake
- Kralkachocolate Bar
- 1-3 Piece of Zhaitaffy
- Slice of Candied Dragon Roll
- Drop rate research can be found here.