There's a quick sketch up top of him.

Name: Soul!Sans! (Just Soul)

Gender: Male? (He's a skeleton)

AU: PhantomTale

Stats: Hp 233, Attack 233,000 (at its ultimate point), LV +20

Backstory: Soul was originally from the classic universe. His Frisk had committed genocide, to the point of which Chara consumed all of the LV gained over 100 genocidal resets. And mixing with they're soul of hate, they became nearly unstoppable, taking over Frisk's body. Soul also began to remember the genocide routes, and saw that Chara was unbeatable. So during his fight with them in the judgement hall, he absorbed the 6 human souls. It still wasn't enough, and Soul fled before being killed. Meanwhile, Chara killed Asgore, Flowey, and every existing being on Earth's surface, above. Frisk came to Soul, and offered her own determined soul to him, begging him to stop Chara. And in a final showdown to stop Chara, Soul fought. They were killed permanently, but not before triggering a permanent erase. Soul was left in his blank universe, with Chara's dead remains, and the remaining evidence of the two's fight. Soul absorbed Chara's soul, along with every human and monster that existed, that was stored within their soul. Soul gained the markings on his face, symbolizing his power. He also gained to ability to travel to different universes, with the power of Frisk's soul. 

Stability: Mentally Stable, but always in constant conflict with himself, as he is always fighting all the souls for control, mainly Chara.

Personality: Neat, Very Punny, Laid Back, Won't kill unless necessary, Extremely intuitive and smart, tries to fight his constant pain, from forever losing his brother and friends.

Markings:

Red-Determination

Orange- Bravery

Yellow: Justice

Green: Kindness

Dark Blue: Integrity

Teal: Patience

Purple: Perseverance

Black: Hatred

Don't piss this nugget off. He's one of the strongest sanses. QwQ

(Yeah)

If you want to rp, then I'll rp as him for an oc Sans, if we're rping OC Sanses.