MTL - Start the Source of Fire and Create a Mechanical Army - Chapter 17

Ian Night’s life was a joke—until it wasn’t.Betrayed, discarded, and left with nothing, he welcomed death when it came. But fate had other plans.Reborn in chains, Ian awakens as a slave in a world where power is dictated by bloodlines and magic.While others wield fire and lightning, he is given dominion over something far more absolute: Death.With every slain foe, every stolen soul, and every corpse bound to his will, Ian will carve his way from servitude to supremacy.He will rise from the dirt. He will shatter his chains. And those who once cast him aside will learn what it means to fear the dead.[Ability Unlocked: Soulbind – Bind the fallen to your will.][Absorb strength of fallen soul?][New Trait Acquired: Gravewalker – The dead whisper, and you listen.]Kingdoms will tremble.The weak will kneel.And Ian Night will never be a failure again.Or, like most in this cursed world, he’ll die trying.

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!

Luo Qing Chen is a wandering spirit that died thirty thousand years ago, roaming the Chaos Space

In order to not turn into dust, she is bound by an ice cold system to travel through time and space to complete missions.

Girls that pretend to be weak?  Slap them without explaining.

A silly cannon fodder?  Helping them amass treasures.

Meeting a real male god?  All of them will pamper.

System: Dear masters, what do I do if my host even dares bully the heavens?  Waiting for an answer, it’s urgent!

A certain male god: Change systems.

System: ヽ〔?Д?〕丿

- Description from Novelupdates

I became the childhood friend of the protagonist in a novel. The childhood friend who died from taking drugs.