Aria travoosi: *Everything turns monochrome as a cycloptic blue square with black limbs and a bowler hat fades into this realm. Then the colours go back to normal.*
Everybody: What the heck.
Has Undyne unlocked the Undying form? I can show her how to.
Undyne: My what? Wait I have an undying form?! I'M IMMORTAL?! WHY DIDN'T I KNOW THIS!?
Chara, Frisk, sans, and Asriel: *Sweats*