Reference article
Crystal Keys
Crystal Keys A, B and C open the locked gate to the tournament grounds in Crystal Desert.
Finding the keys
Collect all three keys, then return to the locked gate.
| Key | Where to get it |
|---|---|
| Crystal Key A |  Archery Cave |
| Crystal Key B | The valley reached past the Crystal Ducks |
| Crystal Key C |  Hot Air Balloon |
Tournament entry
The keys open the grounds. You still need to complete 
Crystal Mines for the tournament ticket.