C133 Proof method

When large beard heard this, he scolded in anger, "How can you, a barbarian dog, prove this?"

Zha Xihaduo muttered to himself for a bit, then raised his head and said: "If that's the case, I will compete with the most famous young experts in the entire Nan Dynasty, I promise, my feet will only land on these footprints. If my feet fall on those footprints, then it will be considered my loss