Herman Li ( , Hanyu Pinyin : LÇ KÄ ng MÇ n ) is the lead and rhythm guitarist , backing vocalist and producer in the power metal band DragonForce . Herman Li ( , Hanyu Pinyin : LÇ KÄ ng MÇ n ; born on October 3 , 1976 in Hong Kong ) is a British Chinese musician , best known as a guitarist for the power metal band DragonForce .