The Yun Family's Ninth Child is an Imp! - Chapter 17 - Please, Call Me a Genius

Zhang Lin, the king of Holy Light duel, was smeared by the team’s design and forced to withdraw from the online game professional league.
In order to return to the top, pick up the previous Summoner trumpet to fight against the Holy Light again, and perform the return of the king.
Summoner PK is the weakest? NO, everything is possible in Zhang Lin’s hands!
Play around with the guild, get the best equipment, and make beautiful MM…
Single P, Triple P, Group P, let the horses come over!
The bloody battle ignited the passion. Zhang Lin and his friends stepped over the mountains of corpses, and let tears and laughter witness Zhang Lin’s legendary online game life.

- Description from novelbuddy

Ye Chen transmigrated into the world of cultivation and became the Saint Master of a Sacred Land. However, he discovered that the Heavenly Origin Sacred Land’s source of income took a big hit, and their finances were in the red. The Sacred Land is basically on the brink of bankruptcy.And so, Ye Chen invented the mobile phone for the cultivation world, causing a sensation throughout the realm. And this was only the beginning!Foundation Establishment cultivators delivering packages on their swords.Qi Refinement cultivators attending online classes from the comfort of their homes.The three major Sacred Lands all opening online shops!And a legendary Saintess becoming the queen of live streaming!All these changes started on the day the cultivation world’s version of a mobile phone was released!

I finally managed to kill the demon lord.