*What happens to monsters once magic is erased? It wasn't a question people wanted answers to, but after the gradual fading of magic, it might get an answer after all. BTA is an Undertale AU taking place in 1994-- a year full of mysteries. Why has the underground resorted to a "kill or be killed" ideology? Why has magic faded? . . . What happened to Siqua and Gaster. . .?

SEASON ONE

INTER-MISSION

SEASON TWO