Given the low post density on this site I will repeat this comment from the first image in this series since this image here already had another comment;
I assume the crystal is as easy to acquire as a 20 pack of D batteries or a 5 gallon can of gasoline is in our world?
I assume the crystal is as easy to acquire as a 20 pack of D batteries or a 5 gallon can of gasoline is in our world?