| one-of-a-kind |
| paranormal(adjective, obscure, dark, mysterious, supernatural) |
| phantom(adjective, obscure, dark, superior, supernatural) |
| phenomenal(adjective, obscure, dark, superior, mysterious) |
| psychic(adjective, obscure, dark, mysterious, supernatural) |
| rare(adjective, obscure, dark, superior, mysterious) |
| secret(adjective, obscure, dark, superior, mysterious) |
| spectral(adjective, obscure, dark, superior, supernatural) |
| superhuman(adjective, obscure, dark, superior, mysterious) |
| superior(adjective, obscure, dark, mysterious, supernatural) |
| supermundane(adjective, obscure, dark, superior, supernatural) |
| supernatural(adjective, obscure, dark, superior, mysterious) |
| superphysical(adjective, obscure, dark, superior, supernatural) |
| supersensible(adjective, obscure, dark, superior, supernatural) |
| supranatural(adjective, obscure, dark, superior, supernatural) |
| transcendental(adjective, obscure, dark, mysterious, supernatural) |
| uncanny(adjective, obscure, dark, superior, mysterious) |
| uncomprehensible(adjective, obscure, dark, superior, mysterious) |
| unearthly(adjective, obscure, dark, superior, mysterious) |
| unfathomable(adjective, obscure, dark, superior, mysterious) |