Shen Jin and Sun Can had already spent a week in B City.
Fighting, endless fighting.
Every day consisted of killing zombies, eating a huge meal, cultivating to recover their special abilities, and killing zombies.
The cycle repeated endlessly.
When they were in poor condition, they popped Senzu Beans, replacing sleep with cultivation.
Because whenever Shen Jin closed his eyes, all he saw were severed zombie limbs, which had even left his mental state somewhat worse for wear.
He simply stopped sleeping.
The most direct effect of such intense training was... fewer and fewer smiles on his face.
An aura of killing intent appeared around him.
This was a presence that came only from killing large numbers of high-tier zombies.
Meanwhile, Sun Can led his many subordinates in clearing out zombies over large areas, reaching level 41 within a week.
Just as he imagined that perhaps level 41 would allow him to advance to Tier 4,
The system slapped him again, knocking him back to reality.
His entire body was merely strengthened once more; he did not advance automatically.
But at least this let Sun Can take another step forward.
After taking all the potions, however, Shen Jin could only rely on his own comprehension.
According to Hu Shou, at this stage, he already met the basic requirements for advancing to Tier 4.
The most crucial point was how to trigger that tribulation.
Shen Jin's expression remained grave, an unshakable tension hanging between his brows.
Time was running out. He had to fight with his back to the wall!
Over this week, under Shen Jin's advance arrangements, Home No. 1 automatically produced large quantities of weapons and mechanical equipment.
They were shipped to Heavenly Net Headquarters and its branch bases.
With sufficient raw materials, ordinary equipment like this, which did