Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 494 - 493: Deduction in the Clouds

Ron finds himself reborn in the world of One Piece, stranded on a remote island in the East Blue. But he's not just any ordinary child—he’s bonded to a mysterious sign-in system that grants him powers with every new location he visits.At his first sign-in, he unlocks the legendary Sun Breathing Technique, along with a boost to his vitality. From Shitmotsuki Village to Skypiea, Enies Lobby to Marineford, Ron travels the world, collecting extraordinary rewards that make him a force to be reckoned with. The Raikiri, one of the 21 Great Grade Swords, Armament Haki, Observation Haki, and more fall into his hands.As Ron steps onto the battlefield of Marineford during the legendary Summit War, the mightiest warriors—Four Emperors and Marine Admirals alike—pause, stunned by his presence. But Ron merely waves them off, “Don’t mind me. I’m just passing through.”Join Ron on his journey across the Grand Line as he signs in at iconic locations, growing stronger with every step. This is not just an adventure—it’s a legend in the making.

An ordinary young man enrolls in college, only to discover he has been mysteriously registered at Solstice Academy, which exists in another dimension.By a twist of fate, he encounters a painfully awkward vampire girl with a habit of sucking his blood, a succubus who wants to make him her plaything, and a Saint who was after his heart, literally.What could possibly go wrong with this kind of setup!?

Prometheus, the infinite fortress of time, a crossover point for the infinite worlds of machine wars, Our protagonist, Xiao Ran, was put into great pressure due to having only attributes that do not exceed 10, making him as weak as a chicken. But being familiar with the storyline of each mission world, Xiao Ran exclaimed that the world would be his.

========== ========== ========== ==========
Mission world: “Gundam SEED” -> “Macross F” -> “Gundam 00” -> “Ultimate Mission” -> “Kakumeiki Valvrave”-> “Gundam 0079” -> “Gundam Seed Destiny” -> “Super Robot Wars OG”

- Description from Novelupdates

【Infant Stage, a cumulative total of 10,000 leg kicks】【Attribute gained: Use It or Lose It】【As long as you continuously exercise the same body part, that part can evolve infinitely, but it can’t break the limits of carbon-based lifeforms】【……】【Student Phase, a cumulative total of 100 million characters read】【Attribute gained: Heavenly Intellect】【Photographic memory, learning ability reached the pinnacle of humanity】【……】【Adult Stage, a cumulative matching of carbon-based lifeforms’ limits 100 times】【Attribute gained: Multi-form】【The body is no longer limited to the frailty of carbon-based lifeforms’ flesh and blood, capable of evolving beyond life forms】【……】Having transmigrated, Lin Zichen was born with an achievement-based cheat.In this life, he only wanted to evolve quietly, continuously breaking through the limits of life forms, and savoring the pleasure that comes with the leveling-up process.