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"I've already reached Advanced Mastery, Big Brother!" Tong Chuchu replied without hesitation.
Cao Xing nodded.
Advanced Mechanical Mastery, combined with her having already reached level 70, meant she met the requirements to learn it.
So, he took out the skill book and handed it to Tong Chuchu.
"Learn this skill book. Later, I'll see if there's a chance to raise your Mechanical Mastery level."
The little girl held the skill book with both hands, a happy smile appearing on her face. "Thank you, Big Brother."
"I've also been working hard to study mechanical knowledge. I only need half a durability bar more to reach Expert Tier Mastery."
Survivors could improve their skill proficiency through constant practice and battle.
For example, after prolonged combat, Cao Xing's Advanced Ice Elemental Mastery was now only one-third of its proficiency away from reaching Expert Tier.
Besides repeatedly using their skills, Mechanics could also increase this skill's proficiency by studying mechanical knowledge.
Of course, there was an even faster method: obtaining a corresponding high-level skill book and learning it directly.
Cao Xing rubbed her head and smiled. "Little Chuchu is amazing. Go play now."
"Mhm, mhm!"
The little girl nodded, then skipped away.
After she left, Cao Xing stood up again and clapped his hands.
"Not bad. We've checked all the rewards now."
"Now, let's inspect the territory some more."
Just as he was preparing to head toward the territory's livestock area, a figure approached Cao Xing.
His body was straight, like an upright spear, powerful yet restrained.
It was Qi Nong.
"Mr. Qi Nong, is something the matter?" Cao Xing asked first.
The old man nodded slightly before replying, "There is indeed something."
"This time, thanks to Lord Cao Xing and several other powerful individuals, the Watchers have been completely wiped out."