Complex sentence: She is often referred to as the "Queen of Harddance", and achieved the highest ranking spot as a hard dance DJ in the English "Mixmag" top 100, which she first entered at number fifty-five.
Split into simpler sentences: She is often referred to as the "Queen of Harddance". She has achieved the highest ranking spot as a harddance DJ in the English Mixmag top 100, which she first entered at spot fifty-five.