It Was Fun.

It was fun.

OMG YES. I want hug you. 

Your au is amazing. I can't stop thinking about it. So could Sans portray on his face gaster blaster when he was alive? And I can't stop imagine Gaster as a royal wizard in a black robe with a hood pulled over head , wearing gloves with holes , with king's symbol on the chest and white half face mask with black slits for eyes wide with two stripes radiating from them.

something like this?

bonus:

Machinetale is a post-apocalyptic and cyberpunk style AU. The action takes place on a planet called Ebott in 3329 year. Most of the surface is turned into ashes and is not suitable for life. Survive outside the shelter can only be constantly wearing special equipment or becoming a cyborg. According to the desert forever wander the war machines, the remaining of those who ruined this world.  Some survivors, led by Commander Asgore lives in the dome city called "New Home". Dome gets its energy from the core of the temporal ship lying underneath. However, the power source begins give failures, threatening death to the city dwellers.

Toriel - deputy commander of the dome city, and wife of commander Asgor. Born in 3270 year on the planet Ebott. By education teacher. In 3291 shortly after the beginning of hostilities she has joined the  guerrilla company under leadership of Asgor. In the same year she passed cybernetization procedure. By the year 3294 she rose to the post of deputy commander of the company. Together with company she survived the "Day of gray dust", being in the north woods away from the orbital strikes and foci of nanomachines infection. In 3328, after the failure of the project, "Lazarus" [DATA EXPUNGED]. She has experience of commander in war zones. Syberbody equipped with built-in flamethrowers and rocket boosters. Status at the year 3329: [REDACTED].