u/helldor08

Sans's Characteristics:
Vines grow all over his body; if he removes his clothes, one can see that his bones are completely covered by these plants. They are quite dangerous and could snap his bones at any moment, which is why Alphys constantly monitors him. The vines also prevent one of his eyes from manifesting, but if it does appear, you are likely a goner. In battle, he can unleash poisonous fangs; if he bites you, paralysis sets in after a minute, and death follows two minutes later—so it is best not to get too close to him. Sometimes he wanders to the outskirts of the Underground, pondering what might have been had none of this happened. He occasionally weeps, yet around his friends, he remains the same joker and cheerful soul as the canonical Sans.

Awww amber is so adorable !