He didn’t realize it when he just glossed over it, but the marks had various depths and angles on the stone. Was this done on purpose to hide something else?

‘Maybe it erased someone’s realization of the truth?’

Yeowun felt a chill down his spine. If the person who left the poem in the stone was founding father Chun Ma, then it was easy to guess who left the original sword marks. And if those were left by Chun Ma also, it was likely that the sword marks represented the trace of Chun Ma’s founding of the truth.