Complex sentence: Frustrated by his inability to challenge for the ECW World Heavyweight Championship due to Champion Shane Douglas' injury and refusal to face him, Taz created and defended his own World title, billing himself as the "real" World champion.
Split into simpler sentences: Frustrated by his inability to challenge for the ECW World Heavyweight Championship. Due to Champion Shane Douglas', injury and refusal to face him, Taz created and defended his own World title, billing himself as the "real" World champion.