His demand was truly overwhelming for the clan leaders of the Sekigahara Confederate; it was so outrageous that they momentarily lost their calm and lashed out at him for his nonsensical suggestion.
And yet, Rui was entirely serious.
And to a certain extent, he had a point.
What value did the tree offer them compared to his Hellbringer model and his breakthroughs?
Could it protect their nation without their Sages?
Could it protect their nations if the quasi-Transcendent beasts emerged from the depths of the Beast Domain?
No.
If it could do all that, they wouldn't have been so anxious to receive the Dawnbringer's blessings that they hosted him as an honored guest despite the fact that he was their greatest enemy in the previous war.
They wouldn't have sought an alliance with the Kandrian Empire despite trying to destroy it in the previous war.