Complex sentence: Unfortunately for Rath, his chase is short-lived, as he is soon confronted and killed by the ambitious stoat Antigra, enabling her bumbling son Gruven Zann to take control of the newly renamed Juskazann tribe.
Split into simpler sentences: Unfortunately for Rath, his chase is short-lived, as he is soon confronted and killed by the ambitious stoat Antigra. Sawney's death enables her bumbling son Gruven Zann to take control of the newly renamed Juskazann tribe.