There are examples of this principle[1], where each side would send a representative or representatives to fight on their behalf. Perhaps the most well known ex

There are examples of this principle[1], where each side would send a representative or representatives to fight on their behalf. Perhaps the most well known example of this is (at least in my cultural context) is David and Goliath in the Old Testament [1] https://en.m.wikipedia.org/wiki/Single_combat https://en.m.wikipedia.org/wiki/Single_combat