A Time Paradox happened, causing two Sanses to appear in the same place [juddgement halls], there only task is to end your journey of genocide

the two skeletons are the same but different, the first one is from a pacifist route, the second one is from a genocide route

You entered The Halls

Pacifist Sans/PS: sees you oh its the player

Genocide Sans/GP: let's break his/her neck