Swallowing the Stars: One Part Effort, Ten Thousand Parts Reward

[Harem][Multiple Heroines] Jiang Yan is reborn in the world of Swallowed Star, obtaining the [Heaven Rewards Diligence] system. Every effort yields a reward! Furthermore, there's a critical hit rule, with rewards reaching billions of times! [Ding! Your diligent cultivation of the Ninefold Thunder Blade has triggered a critical hit rule, granting you a hundredfold reward!] [Ding! Your diligent cultivation of the Void Tower has triggered a critical hit rule, granting you a thousandfold reward!] [Ding! Your diligent cultivation of the Thunder Domain has triggered a critical hit rule, granting you ten thousandfold reward!] [Ding! Your diligent cultivation of the Ranks Technique has triggered a critical hit rule, granting you billions of times reward!] Years later, when Jiang Yan stands atop the Primordial Chaos, someone asks, "How can one become like you?"