The Classic Event in Roblox has a secret vault that’s waiting to be opened! This guide will help you find the hidden codes spread out around the map to open the vault and confront the mysterious boss ...

Once you input the correct keycode, you will be able to open the Duck Vault in Roblox Classic Event and a sword will pop out. Pulling the sword allows players to start the boss fight with the 1x1x1x1 ...