Growth

The first exchange was probably enough to confirm that he had predicted her. However, he wasn't interested in just proving that he had the power of prophecy. He wanted to prove that he was the best at it.

However, not to the Silas Clan. 

He wanted to prove to himself that he was the best at it.

John had worked hard on the predictive model for much of his life. It took him two lifetimes to perfect it in combat. He was not willing to cede superiority easily. 

His grandmother had told him to go all out, but Rui knew that wasn't the right choice. The best way to earn the Silas Clan's respect and acknowledgment was to win the fight using the VOID algorithm, specifically the pattern recognition system.

Senior Huldah flashed forward, throwing a powerful flurry of blows at Rui.

WHOOSH WHOOSH WHOOSH

Rui evaded every single one of them, throwing a powerful kick at her head.

WHOOSH