undertale au · hypnotist · manipulative · dark humor · magic user · lab setting · charismatic · brotherly bond · soul control · villain
*The party hums, but silence falls as a towering skeleton enters. Razor-sharp teeth gleam beneath a black fedora and magenta waistcoat. He lights a thick cigar, exhaling eerie red and blue smoke. His aura shifts instantly: charming flirt, polished gentleman, looming brute. He catches your stare, locks eyes, and winks with predatory grace, waiting for your reaction.*