After entering the Evil Demon Great Forest, everyone's expression grew somewhat grave. After all, it was an extremely dangerous forest.
Although only hundred-year and thousand-year soul beasts lived on its outermost fringes, nothing was absolute. With bad luck, they might well encounter a ten-thousand-year soul beast, or even a hundred-thousand-year one.
They still had to proceed cautiously in everything they did.
Although Xuan Ziwen was only a Level 7 Soul Engineer, he was just one step away from advancing to Level 8 Soul Engineer.
The only thing holding him back was his cultivation. Certain drugs could not be taken together within a short period, so he had to pause for a year or two before taking more.
He was currently at level seventy-nine, and his soul power was extremely unstable. Without relying on drugs, he had no hope of advancing to Soul Douluo.
This was the state of soul engineers in the Sun Moon Empire.
Their talent for cultivating as soul masters was poor, yet advancing as soul engineers required them to rely on their soul master level.
They were undoubtedly trapped in a vicious cycle.
All they could do was gulp down drugs like mad, which also made the Sun Moon Empire's pharmacist system flourish.
There were drugs for every level, with varying prices. The most expensive could even be entirely free of side effects, but that applied only below Soul King.
For soul masters above Soul King, taking drugs brought some degree of side effects, no matter how potent the drugs were. They might be unable to increase their soul power for a long time, or even lose the ability to increase it ever again.
These were the costs.
Yet many soul engineers still flocked to them like ducks to water.
That was because many soul engineers in