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Secondly, Han Li spent a massive amount of cultivation resources to fully master high-level martial arts techniques he had found, thereby perfecting his ultimate martial path.
Then, Han Li also spent a vast amount of cultivation resources on opening treasure boxes, counting by tens of thousands of years.
The system's first upgrade introduced the treasure box function, which granted one free opportunity to open a treasure box annually and three paid opportunities monthly.
After the system's third upgrade, the treasure box function was optimized, adjusting various rules.
From that point on, Han Li had one free opportunity to open a treasure box each month, amounting to 360 times over thirty years; he never missed out and indeed opened quite a few valuable items.
The rules for paid treasure box openings were also adjusted, increasing from three times a month to ten times, with the required cultivation resources changing accordingly.