Having, brought about by, or relating to supernatural powers or magic
If I'm not mistaken, I've got the magical power of stealth mode.
Bible, where examples are given of incantations with magical by-play.
Of smaller pieces many are magical and used as amulets.
Did the room actually have a magical strength, or was it simply a childish fantasy?
However bad his natural disposition, the magical words of absolution would make him a new man.