go to the third floor of the wizards tower, which can be found south of draynor villiage.Politely ask wizard mizgog for a quest.He will tell you that wizard grayzag's imps have stolen four magical beads that he needs you to get back for him.
Step2
Now you need to collect some beads. you can either buy these from players - which may take a while - or you can try killin imps, which will still take a while to do.You will need to retrieve a red,black,yellow,bead from the imos drops.
Step3
When you have retrieved them all from the imps, return to wizard mizgog and he will reward you.
Authority 
