Ancient encryption methods still have their place
The last fragment has been encrypted using a classic Caesar cipher. Decode it to complete your collection.
> CIPHER DETECTED: CAESAR SHIFT
> SHIFT VALUE: UNKNOWN
> ENCRYPTED MESSAGE BELOW
VBFXULWB
A Caesar cipher shifts each letter by a fixed number of positions in the alphabet. Common shift values are 1-25. Try different shifts until you find readable text.
Hint: The shift value is 3 positions backward (or 23 forward).
Fragment Status: ENCRYPTED
TIP: This is the final fragment needed to complete the flag