| cryptic(adjective, knowledge, evil, obscure, strange) |
| mystic(adjective, knowledge, evil, obscure, solid) |
| occult(noun, adjective, knowledge, evil, obscure) |
| esoteric(adjective, evil, obscure, strange, deep) |
| arcane(adjective, knowledge, evil, obscure, solid) |
| mysterious(adjective, knowledge, evil, obscure, solid) |
| recondite(adjective, evil, obscure, strange, deep) |
| dark(adjective, evil, obscure, solid, strange) |
| secret(adjective, evil, obscure, strange, humble) |
| cryptical(adjective, concealment) |
| enigmatic(adjective, knowledge, evil, obscure, solid) |
| kabbalistic |
| hidden(adjective, evil, obscure, solid, strange) |
| impenetrable(adjective, obscure, solid, strange, odd) |
| inscrutable(adjective, solid, strange, blank, dense) |
| mystical(adjective, hard, knowledge, evil, obscure) |
| sibylline(noun, adjective) |
| abstruse(adjective, evil, obscure, strange, deep) |
| close |
| deep(adjective, hard, evil, obscure, humble) |