Fanon Sans Multiverse Sequel

A fanmade sequel of "Sans Multiverse" by OyunKlavuzu. It is FANON which means it is a non-canon depiction of what would happen after the events of "Sans Multiverse". After the defeat of [F4T4L 3RR0R], timelines have started to corrupt itself, drawing the attention of AUs who are aware of the existance of The UNDERTALE Multiverse. Including the original source. The strongest awaits.