MTL - Start with Batman - Chapter 379 Alien technology?

They call him Ghost.A name whispered in fear across warzones, black markets, and underworld circles.To the world, he's a phantom—a faceless mercenary who leaves no trace but bodies in his wake.To his enemies, he’s a death sentence.To his brothers-in-arms in Graveyard, he’s family.But to himself... he's a haunted man searching for a past stolen in gunfire and smoke.After a flawless mission deep in the Eastern Province, Ghost returns to the hidden forest base he's called home for sixteen years. Yet the victory is short-lived. His foster father, the commander delivers an unexpected order:“That was your last mission.”Now, Ghost—real name Miles Sterling—must step out of the shadows of war and into a world he’s never known. Guided only by a scarred letter, a fading memory, and the voice of a woman he hasn’t seen since the day everything was taken from him.But war forged more than his body and name.Behind the mask, behind the scars, Miles has another secret.One he’s kept hidden even from his brothers in arms.He’s not just a weapon.He’s a ghost with a fortune—a hidden empire he built in silence, across borders and black markets, forged in strategy and blood.A man of many names, and many shadows.Beneath the bullets, tattoos, and silence lies a truth buried in ashes.And Ghost is about to dig it up—one letter, one enemy, one memory at a time.

Born at the lowest grade, nobody thought Percy would amount to much.Everything changes when his bloodline manifests in an unexpected way, letting him possess random bodies across the cosmos. Snatching all sorts of advantages - like a second mana core - Percy can finally claim the resources and respect he's been denied.Yet, reaching the top won't be easy. Not every journey yields a valuable treasure, and neither the warring Houses nor the invading gods will wait for him to grow...***What to expect:- Weak to strong male MC- Daily releases- Fast paced with frequent powerups- Fantasy setting with magic and a system- Isekai elements (Percy often possesses random bodies on distant worlds)- Western cultivation elements (Cleansing mana core to extend lifespan)- Morally grey MC (Willing to break a few rules but not a scumbag)

[Warning: Mature Content]Shuri Lee never imagined her quiet, unassuming life would lead her to Noran Kingston, a world-renowned pianist admired for his brilliance. Despite her humble background and the Kingston family’s disdain, their love was pure and unstoppable. Against all odds, they eloped, creating a life of quiet joy—until tragedy struck.Shuri’s life was cruelly taken, leaving Noran broken and consumed by vengeance. In his grief, he destroyed those responsible before ending his own life, desperate to reunite with her.But fate granted him a second chance.Awakening years earlier at the peak of his fame, Noran vows to rewrite their story. This time, he will protect Shuri at any cost. “I’ll never let you go, Rin. Not again.”No longer just a pianist, Noran builds a global empire to shield her from harm. But as he reshapes their future, he discovers that Shuri carries secrets—hidden truths that could still tear them apart.

When she woke up, Lake returned to the classroom of the third year. The classmates were in class with swords and sticks, and the teacher became a female Taoist.
The little fat man in the back seat, how to put two big hammers under his chair.
Rick found this to be a global era!

- Description from Uukanshu (translated)