Complex sentence: He fights Sergei Taktarov in round 1, Mount Toba in round 2, and destroys Orochi Katsumi in round 3 he then makes it to the semi-finals of the Maximum tournament and is pitted against Baki Hanma where Baki nearly kills him by breaking his neck.
Split into simpler sentences: He fights Sergei Taktarov in round 1, Mount Toba in round 2, and destroys Orochi Katsumi in round 3. He then makes it to the semi-finals of the Maximum Tournament and is pitted against Baki Hanma where Baki nearly kills him by breaking his neck.