'I just can't swallow this affront!' Gu Shanhai was a man who always held grudges and demanded retribution.
His magnanimity was contingent upon the other party paying a price.
'Lifespan, infuse me with strength!'
Gu Shanhai directly sacrificed a thousand years of his lifespan, but it seemed that his opponent also launched some kind of countermeasure, staunchly resisting Gu Shanhai's maneuver.
He could have continued this war of attrition with the adversary, sacrificing more lifespan, but Gu Shanhai prudently ceased his efforts.
Because it was no longer worth it. He had intended to test the waters with a thousand years; if it wasn't effective, then so be it, especially since the opponent could counteract, clearly possessing the necessary technology and ability.
