He'd bet the Roadhouse in the Horizon could make him one but that would involve sending Kell to the Roadhouse and he only did that to Wilhelm out of a naive-forced spy venture. He's not putting Kell into it. Surely there has to be another Horizon bar?

"Someone in the Horizon must be able to manifest one," Lucifer says eventually. "Honestly after all this someone should manifest some stereotypical beach scene anyway. My beach is covered in dead birds and I'm disinclined to change that."