Critical Cipher

Even Vecna and Elminster reportedly gave up and started using carrier pigeons.

Plain message
Output

Current key

Letters, numbers, and punctuation all map to several possible symbols.

GRIBNAK LOG ENTRY #44 :: the rune-circle lies. the old wizard cheated. the key is hidden in the bones. no not those bones. the OTHER bones.

saw the tall wizard arguing with the skull again. skull winning.
someone keeps feeding encrypted bread to the mimic.
if moon turns green DO NOT use export key after midnight.

vecna definitely looked at source code first.
elminster claimed the comments were "non-canon".
goblin intern accidentally encrypted tavern menu for six months.

WARNING: SYMBOLS MAY BECOME SELF-AWARE DURING ECLIPSES. ᚠᚢᚦᚨᚱ no no no too many eyes in the walls
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