Zhang Xiao wore a serious expression, like a scholar discussing academia, as she looked at Lu Wu and spoke slowly.
Lu Wu froze for a moment, caught between laughter and tears.
Even if he were being modest, he was still a grandmaster of formations. This was the first time someone had stood before him and said his formations were outdated.
Most importantly, the one saying it was his disciple.
"Look, the illusion realm you set up around the perimeter has no offensive power at all. But what if we added some technological weapons to it?"
"These weapons would be completely inconspicuous when they weren't activated."
"They could even be incorporated into the illusion realm's storyline, prompting people to activate them while they were off guard. That might produce unexpected results."
Standing by the city gate, Zhang Xiao pointed outside the city.
"And this killing formation is also exquisite. I would need at least another three years of study before I could possibly set one up."
"But isn't this killing formation's function a little too limited? If we added smoke bombs, tear gas, or even some highly effective explosive weapons to coordinate with it, its lethality would be much greater."
Lu Wu fell silent.
Honestly, he had barely even heard of the weapons Zhang Xiao mentioned.
But that line about being able to set it up in three years...
That hurt.
He was a prodigy in the Dao of Formations!
It had taken him more than a decade to learn that killing formation, and even then he had been praised as a prodigy. Yet Zhang Xiao said... three years?
Maybe she was even being modest.
For a moment, Lu Wu felt utterly disheartened.
"Forget it. I'm outdated. I don't really understand what you're saying. Just give me the blueprints when the