Androids are notoriously known for having no empathy, but humans receive this feeling through a box seemingly separate from themselves. The humans after World War II Terminus use the empathy box to merge with Mercer and see life in the footsteps of another, Mercer's. This in my opinion is an extension of my thesis that Rick Deckard's journey is about finding the links that keep androids so close to humanity. Without the empathy box, humans may not be able to conceive of the idea of ​​empathy like androids can