"At that point even though we didn't want to admit it, the chances of our dad becoming the next clan head were very slim. The final nail in the coffin was when the person from the side branch made it to the 71st level.
It has been 20,000 years since anyone made it that far and at that point, he became the third person in the whole history of the Zou clan to make it that far.
By that point, all we could hope for was for our father to concede and make it out alive. As long as he made it out alive, we would still get to remain with the Main branch since the banishment stipulation only takes effect when the competitor dies or ends up with fatal injuries that can never be recovered.
If father forfeited everything would have been okay. But things didn't go as we expected.