Complex sentence: During their announcement, their swore their oath of allegiance to the Al-Zawahiri and Abdelmalek Droukdel, to the Hibatullah Akhundzada, for symbolic reasons.
Split into simpler sentences: During their announcement, their swore their oath of allegiance to the Al-Zawahiri and Abdelmalek Droukdel. Also, they pledged their oath to the Hibatullah Akhundzada, for symbolic reasons.