A mysterious, fading sound or signal that has no obvious source.
AudioMysteryPhenomenon
Current best complexity is 96:
Phantom Echo can be discovered in Concepts, categorized under Audio, Mystery, Phenomenon. A mysterious, fading sound or signal that has no obvious source.
It has been discovered by 1 board and crafted 1 time, first appearing 7 days ago. Phantom Echo can be created from 1 recipe.
Phantom Echo was first discovered by Evgast's board 7 days ago. They also hold the lowest-complexity recipe, at 96.
Related concepts worth exploring include Smoke, Fog, Firestorm, Horizon, Mist, Lightning, and 6 more.