Chen Baiwen's [SSR-Level Time Trace System] could replicate events that had taken place at a certain location in the past. The way his system became stronger was simple—anything Chen Baiwen had witnessed would become history, and as long as it was history, it was a part of the Time Trace System.
[You've seen Yu Fei's whirlwind attack, Time Sand +145]
[You've seen Gao Zhuo's arena performance, Time Sand +169]
[You've seen Xiang Beifei's punching style, Time Sand +299]
...
All these were scenes Chen Baiwen had memorized deeply before his own match started, then converted into system values.
Of course, his method of collecting Time Sand wasn't limited to just what he'd seen; if he hadn't witnessed something personally, he could also choose to spend a certain amount of Time Sand to replicate events that had occurred within a specific range, for example—
[Spend 200 grains of Time Sand, replication range is within a 200 square meter radius, duration up to 200 minutes]