“ An artist is commissioned to paint frescoes in a cathedral, and is imprisoned because of his unconventional style.”
“ Magical spectacles that can see through illousions to reveal the truth behind them.”
“ There is a land where every person wears spectacles. Those without eyeglasses are considered to be the lowest stratum of society, so adventurers without glasses are treated like outcastes. It certainly would explain those heroes wearing sunglasses for no apparent reason...”