Synonym of OCCULT

Answer: Option A

Mysterious : difficult or impossible to understand, explain, or identify.
Harmless : not able or likely to cause harm.
Dreadful : causing or involving great suffering, fear, or unhappiness; extremely bad or serious.
Amazing : causing great surprise or wonder; astonishing.
Occult : mystical, supernatural, or magical powers, practices, or phenomena.

Synonym of Occult is Mysterious