| cryptic(adjective, knowledge, evil, obscure, strange) |
| 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) |
| enigmatic(adjective, knowledge, evil, obscure, solid) |
| hidden(adjective, evil, obscure, solid, strange) |
| impenetrable(adjective, obscure, solid, strange) |
| mystical(adjective, hard, knowledge, evil, obscure) |
| abstruse(adjective, evil, obscure, strange, deep) |
| concealed(adjective, hard, evil, obscure, dark) |
| incomprehensible(adjective, obscure, solid, dark, strange) |
| mystifying(adjective, knowledge, evil, obscure, dark) |
| inexplicable(adjective, obscure, solid, dark, strange) |
| puzzling(adjective, knowledge, evil, obscure, dark) |
| unfathomable(adjective, obscure, solid, strange) |
| unknowable(adjective, solid, strange, mysterious) |