Ravana

In Hinduism, Ravana (Devanagari: रावण, IAST ; sometimes transliterated as Raavana or Ravan or Revana) is the principal antagonist of Rama in the Hindu epic, the Ramayana. In the epic, he is the king of Lanka, and of the Rakshasas or demons, many thousands of years ago.
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v. rummage, look for diligently

[Hindu] The ten-headed demon king of Ceylon in Hindu myth. With his forces of Rakshas he kidnappes Sita but she is rescued but Rama, who kills Ravana.

Ravana (Sanskrit) The giant king-demon of the rakshasas, sovereign of Lanka (Ceylon or Sri Lanka), a remnant of Atlantis. One of the remaining ruling black magicians of the last days of the Atlantis period, he carried away Sita, Rama's wife, which led to the great war described in the Ramayana.