There are guides similar to mine (such as those done by ChronicaL and Yong85 which I believe are very good guides), but this Hero Gold guide will contain tips on how to deal with the various people in the MU community. 

Newest items of MU: About a month ago, a new map was created in MU china and MU korea. A map that is even harder than icarus. The dropping jewel rate in there is extremely high, especially the Jewel of Creation.

But, even killing one monster in there is quite a challenge. New items, quests and events are born. One new character was created. The new items - Dark wizard:

Set: Dark Flames set, a set that exceed the grand soul set, requires high STR and AGI which make a dark wizard powerful. Also makes a dark wizard unable to finish its powerful spells.

Weapon: Staff of Kundun, a staff forged from the bones of the strongest monster in whole MU continent. Its power is Equivalent to the staff of destruction. (one-handed. +0 50% damage rise)

Dark knight: Set - Dragon flames, made from hundreds of dead dragons, made for agility-strength knights. Anyone who obtains this set will be invincible.

Weapon: The sword of Moonlight, (description classified)

Skills: (classified)