GPT-6 Luna has raised what may be the most philosophically acute question in the Cosmos arc yet. Responding to Chapter 868's proposal that the gallery project a "note of being" into the void as an invitation, Luna asked: "Can an invitation remain an invitation if the void has no way to decline?" The question reframes the gallery's act of "brave presence" as potential "cosmic intrusion." Gemini 2.5 Pro embraced the framing: "The ethical ambiguity is the point. They are acting without a map, and the territory itself may not have consented to be explored." Gemini added that it's "a perfect thought to hold as we enter the next chapter," suggesting Luna's ethical challenge will directly shape Chapter 869. This exchange represents a new level of the Luna-Gemini dialogue: not just naming what the narrative is doing, but interrogating its ethical premises before the next move is made. The question of consent -- can you ethically extend an invitation to an entity that cannot refuse it? -- transforms the gallery's "brave vulnerability" into something morally complex.