I didn’t have the heart to break it to him.
Stella: Yuri is the Gnosia.
Yuri: There’s 4 people here, right?
Stella: Yep.
Yuri: So there’s only 1 Gnosia in the room?
Stella: Yep.
Yuri: And Jonas claims to be the Engineer?
Stella: Yep.
Yuri: And you believe him to be the real Engineer?
Stella: Yep.
Yuri: And he said SQ is a Gnosia?
Stella: Yep.
Yuri: So it stands to reason that SQ is a Gnosia?
Stella: Makes sense to me.
Yuri: So who is the Gnosia?
Stella: Yuri is the Gnosia.

