Complex sentence: However, another clone of Miles Warren later appeared, who was even further genetically altered to the point where he frequently displays animalistic tendencies and his body is always cold, causing him to wear a thick fur coat even in the hottest weather.
Split into simpler sentences: However, another clone of Miles Warren later appeared, who was even further genetically altered to the point where he frequently displayed animalistic tendencies. His body is always cold, requiring him to wear a thick fur coat even in the hottest weather.