Complex sentence: Real Name Ishar Morrad Chuain, he was a leading Biologist before turning to the Shadow to allow him to experiment on living things most shadowspawn (e.g. Trollocs, Myrddraal and gholam) can trace their heritage back to those experiments.
Split into simpler sentences: Real Name Ishar Morrad Chuain, he was a leading biologist before turning to the Shadow to allow him to experiment on living things. Most shadowspawn (e.g. Trollocs, Myrddraal and gholam) can trace their heritage back to those experiments.