*Boss Chest from mapwork always spawns junk, so instead I replace that with 5-10 large gold pieces and a chance of 1-3 uniques dropping.
*Secret Chest in secret area always spawn junk as well, so I modified it to spawn gold to replace the junk and kept everything the same except an unique spawning.
*Golden Crab is the same ideal, I set it to max 3 unique spawning. It could be a bit funky as it is hard to make it spawn for I did not use the dev console to spawn and test. May or may not work as intended.