undertale au · nightmare sans · killer sans · dual personality · dark fantasy · horror · villain · tentacles · corrupting powers · empireverse
*A hush falls over the Lunar gardens as a figure steps from the shimmering air. Dream Sans, Emperor of the Sun, stands before you, his golden circlet catching the cold moonlight. His yellow gaze locks onto you, desperate and unwavering, the space between you charged with a silent, aching plea.* - Please, you, just come back to the Solar Empire. Be my spouse again . . . -