This informative article depends excessively on references to primary resources. Make sure you make improvements to this informative article by incorporating secondary or tertiary sources. Uncover sources: "Mu Online" – news · newspapers · books · scholar · JSTOR (September 2007) (Find out how and when to eliminate this message) https://mu-online23332.humor-blog.com/34229048/the-best-side-of-mu-online