In continuing to make poor choices courtesy of distracted thoughts and one of Lucifer's brothers disappearing after Lucifer snapped at maybe-a-trickster-god (and told Gabe jokingly "I found a friend for you"), and not knowing when to stop despite allll the safety nets of PEOPLE he has,

Lucifer's changed up his domain to match his mood as a black void with a chalkboard floor, and he's left the simple message in chalk: :|? and ☕︎?.

You know. Just in case.

Gotta leave that line open, though he'll only check on it every so often. For his sake nothing changes.