In order to unlock the Golden Dragon a few items are required before unlocking it. They are the following:
- Dragon Wizard Unlock (http://www.brickstolife.com/lego-worlds-dragon-wizard-unlock-guide/)
- Red Snakes
- Red Frogs (do quest @Watchful Wilderness)
- Flaming Torch
- Cupcake 5 Blueprint
- Perilous Peaks ( Biome it can be found in. )
Once these requirements are met, you should be able to locate and acquire the Golden Dragon in LEGO Worlds. If you have any additional questions or concerns, please feel free to contact us.