Complex sentence: After the death of Gilland, from overusing the Spyrite Celsius Power, Exodus falls apart without a leader, just to reappear in "Tales of Xillia 2", where they perform several terrorist attacks to undermine the peace negotiations between Rieze Maxia and Elympios.
Split into simpler sentences: After the death of Gilland, Exodus falls apart without a leader. Exodus returns in "Tales of Xillia 2" where they cause several terrorist acts to prevent peace negotiations between Rieze Maxia and Elympios.