Burning The Bridges

"Knot the grass and champ on the ring, relates to the Spring and Autumn official Wei Wuzi, who instructed his son Wei Ke to allow his favorite concubine to remarry if he died; later, Wei rather cruelly changed his mind and asked his concubine to be killed and buried with him. But Wei Ke made the humane decision to spare the poor concubine's life and find her a new husband. Years later, Wei Ke was called up to fight. In the middle of a deadly battle, an old man suddenly appeared to defend Wei from enemy soldiers using a grass-woven rope. This fortuitous gent turned out to be the ex-concubine's father, who had come to repay him; and was apparently a dab hand with the rope."

-Chengyu meaning to repay a favor, The Commentary of Zuo.

"We had to repay the Azuraite the same courtesy as their scheme, we need to gain the unizens favor!" Primus smiled as he continued to address the council.