>Seam already has a yellowish button eye
>when he tries to forge the pure crystal from the shadow crystals, the missing eye socket ignites in a pink glow
https://youtu.be/6TdjYeAfWbA?si=4tw5e27xgQTsCxgO

Friend already fucked around with Asriel's game, and Seam was shown to be comnected to that...plus he's the one who originally had the Shadow Mantle, yet something stole it from him. Something bad is coming on the horizon for him, I can feel it.

>>527614431
The purple plush shopkeeper. You bring your Shadow Crystals to them