Do you still want to sell this kind of thing? Don't even give it to me! Lumian slandered, and looked away.

Lumian is only interested in the actual Extraordinary characteristics. Interested in potion recipes, magical items, extraordinary weapons, or useful occult knowledge.

Obviously, most of the party participants didn't want to spend money on such an ominous painting that didn't know what secret it was hiding. In the end, Mr. K's waiter put it away and covered it with a black cloth again.