Complex sentence: To accompany Beyond and prevent him from doing something unexpected, the Zodiacs decide to watch over him and invite Kurapika and Leorio to join them and replace Ging and the former Vice-Chairman Pariston, who assembled their own team at Beyond's request.
Split into simpler sentences: To accompany Beyond and prevent him from doing something unexpected, the Zodiacs decide to watch over him and invite Kurapika and Leorio to join them. Replacing Ging and the former Vice-Chairman Pariston, who assembled their own team by Beyond's request.