The day Monster kind was sealed into Mt. Ebott, the mages added a little extra insurance. A curse.
Human SOULS may pass. But Human forms may not.
Young Frisk must navigate the dangers under the mountain, a little less human than before...
Just finished playing Undertale for the first time and all I can think of is my poor goat baby!!! Can't say the name because of spoilers, but my poor goat baby!!!! And flowey...can't forget that sadistic yet (yes I'm admitting it) strangely attractive flower...."cries"