| The Missing Key | Dragon Slayer |
| Name | The Missing Key |
| Rewards | The key to Frozen Grotto F5 |
| Server | All Servers |
| Requirements | None |
| Location | The 3rd and 4th floor, Frozen Grotto |
| Key Item |  Grotto KeyGive the key to the Frozen Grotto Guardian on Frozen Grotto F4 (387,460) to enter the 5th Floor. |
| Key NPC | Frozen Grotto Guardian: Frozen Grotto F4 (387,460) |
The Frozen Grotto is an ancient place filled with unknown perils. Many heroes
have died there while searching for its hidden treasures. So far, six layers of
the Frozen Grotto have been excavated. If you have made up your mind to test
your ability on the 5th floor, go look for a Grotto Key on the 3rd and the 4th
floor.
When you find the key, give it to the Frozen Grotto Guardian on Frozen Grotto F4 (387,460). He'll send you up to the 5th floor for more adventure.
