"Great-grandmaster, I'm not boasting. Have you heard of speed engraving?" With a flick of my sleeve, I took the engraving bench out of my storage pouch, then looked at the old residence master. "Do you happen to have any tribulation lightning crystals, Great-grandmaster?"
The old residence master realized from my preparations that I intended to engrave. Although surprised, he immediately held out his hand, and ten tribulation lightning crystals appeared in his empty palm. "Make the tribulation lightning crystal bomb you're best at. As long as you produce one for me, the rest are yours. If you can't, you'll owe me a crystal as well. How about it?"
"No problem." I smiled.
"This is an elementary engraving bench. If you fail, it'll blow up," Di Youqing said with a peculiar expression. She had paid for all this equipment.
Since my ability to make tribulation lightning crystal bombs already revealed that this engraving bench must be extraordinary, I said, "I had this engraving bench upgraded at the Market Ward. It can engrave tribulation lightning crystals now, so there's no need to worry, Grandmaster."
Of course, engraving benches could be upgraded. It was simply a matter of replacing the core, though the price was rather outrageous.
"Where did you get enough tribulation lightning crystals to upgrade this engraving bench?" Di Youqing asked in surprise.
"Enough, Youqing. Why ask him so many questions? He's the disciple of a secluded master, after all. How he upgraded it is none of our business. What matters is whether he has the ability." The old residence master waved a hand dismissively. He wasn't the one paying for it, so what objection could he have?
I accepted the ten tribulation lightning crystals, picked one up, and swiftly began carving it with an engraving knife. In just a few