Y/N Gaster is a half-monster and half-unknown entity. He's been sent to an unknown dimension after fighting Error Sans.
A/N: This will be using both Old Abysstale and New Abysstale elements.
Y/N Gaster is a half-monster and half-unknown entity. He's been sent to an unknown dimension after fighting Error Sans.
A/N: This will be using both Old Abysstale and New Abysstale elements.