Su Yang spoke of harvesting medicine, referring to those rare medicinal ingredients.
The Alchemy Section within Destiny's Tome contained the best methods of elixir preparation. However, no matter what kind of medicine was being made, raw materials were needed.
And the better the materials, combined with good alixir preparation methods, the better the medicine that was produced.
Just like how Su Yang previously used the chill from the Nine Cold Jade Sword to concoct Revival Pills that could bring people back to life.
But, if he hadn't had the Nine Cold Jade Sword at the time, Su Yang wouldn't have been able to make the Revival Pills, let alone save Fatty's father. Therefore, the ingredients were also very important.
Recently, Su Yang had been preoccupied and hadn't had the time to pay attention to matters concerning medicinal ingredients.
Tonight, upon witnessing the battle between Fatty and a few others, Su Yang came up with an idea.