Board Thread:General Discussion/@comment-31371445-20170222233857/@comment-28517148-20180728125417

@MagomaevaAmina ''No seriosly what do you want to proove? Its clear and logical that Frisk cross the barrier but you try to contradict it for some non existent reasons''

''Actually, Frisk crossing would be a plot hole. Barrier is locked by SOUL power, and Chara has no SOUL. But with this take on the matter, there is no plot hole.''

Anything can enter through the seal, but only beings with a powerful SOUL can leave  - Waterfall Ancient Glyphs