Buenas, perdón por desvirtuar pero voy a reportar un bug (?)

Simplemente los mobs que dropean los items no están en MuMu Village, ni de noche ni de día.

Quest level 16 Making a New Start
Asmodian Only
Summary:
- Get the rings from MuMu Lu, MuMu Zen, MuMu Ring, MuMu Ang, MuMu Zoo, and MuMu Di, and take them to Nerhel.

Nerhel said that the rings of Manumumu's six wives are very valuable. Defeat MuMu Lu, MuMu Ring, MuMu Zoo, MuMu Zen, MuMu Ang, and MuMu Di and take their rings to Nerhel so that she can start a new life.
Collect the following:
Passion Ring (x1)
Jealousy Ring (x1)
Love Ring (x1)
Rewards the following:
XP: 31500
Items:
Passionate Love Ring (x1)

Saludos