supernatural

mystic, mystical, occult, psychic (also psychical)

extrasensory

celestial, divine, ethereal, heavenly, spiritual, unworldly

bizarre, curious, eerie (also eery), far-out, grotesque, outlandish, out-of-the-way, outrageous, outré, peculiar, quaint, queer, quirky, screwy, strange, wacky (also whacky), way-out, weird, wild

baffling, bewildering, confounding, mystifying, perplexing, puzzling, shocking

aberrant, atypical, fantastic (also fantastical), flaky, freak, freakish, idiosyncratic, marvelous (or marvellous), prodigious, rare, singular, uncommon, unique, unnatural, unusual

eternal, everlasting, immortal

all-powerful, almighty, omnipotent, omniscient, supreme