Gaster nods. "They only appear in this timeline. There's more, too."

After a moment, the human child appears in the image. The washed-out child turns to speak to them.

"Have you ever thought about a world where everything is exactly the same...except you don't exist? Everything functions perfectly without you...Ha ha...the thought terrifies me."

(Ibani may notice Gaster's shoulders tense, just a bit.)