227, please teach me, Lord

"The priest looked rather tired."

Gongshu Tianyuan's chubby face stiffened as he forced a smile,

"No problem, just a bit short on sleep, please come in... hehe, my humble abode is quite modest... It was only just now that I learned Lord and Your Majesty were coming, so I took the liberty of inviting people to extend the invitation."

It was far more than lack of sleep,

he hadn't slept at all last night!

Normally, with his level of cultivation, going without sleep for several days wasn't a big deal, as long as he didn't expend too much energy.

But if he stayed up all night exhausting his mental and spiritual energy, operating his brain at high capacity for thinking and experimenting... no matter how advanced his realm was, he couldn't handle it.

As for the "instigator," it was undoubtedly Zhao Douan with those few careless strokes he left on the spectacle drawing, the principles of lenses.

That was also why Gongshu Tianyuan was so eager to invite him over.