C636 Shock

Back in the day, Zhang Yu was practically indistinguishable from an ant when compared to Xiao Wentian.

Yet, even upon discovering the terrifying identity and power of Xiao Wentian, Zhang Yu didn't lose heart. A lengthy period remained before their ten-year agreement was up, and he had been cultivating for just over six years. The extent of his growth within a decade was anyone's guess.

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