|First Appearance||Episode 10 (Ragnarok Online)|
Her name is often mistranslated as Meropusum or Merlophechum.
Melopsum laid dormant within the Comodo volcano until she was awakened somehow years ago. With her power, she ruled Comodo, which became a haven for evil creatures. She was a huge threat to the people, but was defeated in the famous War of the Witch. Despite being defeated, the threat of Melopsum still exists to this day.