Fan:Ogudomon (World Masters)

Ogudomon is the true main antagonist and combination of all Great Demon Lords as a part of Sarin's master plan.

PR Digimon: World Masters
When Kagura's plan was foiled by both Samuel Nakaoka and Yumai Kagura (after completing both protagonists' story), she nearly killed Tsukasa Kagura for failing her.

It has two endings for one of the two main protagonists, but two ending put together in one ending:
 * Samuel Nakaoka Ending - When they saved all seven Demon Lord Digimon by weaken her, Samuel Nakaoka and Yumai charges their final Kamehameha-like energy blast to blast Sarin/Ogudomon as she raging charge at the blast. Samuel Nakaoka says that he will never lose to her and both of them blasts in max power to destroy Sarin again as Sarin screams in anger while she lastly says "No! This unbelievable! I'm... am a goddess! I'm... won't lose... to THIS my old foe!!".
 * Yumai Kagura Ending - When they saved all seven Demon Lord Digimon by weaken her, Samuel Nakaoka and Yumai charges their final Kamehameha-like energy blast to blast Sarin/Ogudomon as she raging charge at the blast. Yumai says that she will lose to her like her brother and both of them blasts in max power to destroy Sarin again with the help of her brother, Tsuka Kagura who was healed by Renamon as Sarin screams in anger while she lastly say "No! This can't be! How... How can I! How can I lose to this kid with your mentor!!".