Complex sentence: He is widely regarded as the most dominant and complete battle rappers of his age, as he has battled many opponents of different classes and platforms, Having bested most of his opponents or stalemated them in debatable battles with only a few losses to his name.
Split into simpler sentences: He is widely regarded as the most dominant and complete battle rappers of his age. He has battled many opponents from different classes and on a variety of platforms, having bested most of his opponents or stalemated them in debatable battles with only a few losses to his name.