My Monsters Can Be Upgraded

Traveling through the world of sci-fi interstellar war, Lei Shen, the originator of beggars and whistleblower in his previous life, is a bullied low-level servant soldier on the Blood Cave Planet. Here, the advanced civilization controls life and death, and the mecha nobles crush them wantonly. The low-level servants can only control bulky mechanical war beasts, and become cannon fodder slaves on the interstellar battlefield, struggling to survive, but their lives are like grass. The original owner fought hard for three years, and was only seven days away from retiring and becoming a free mercenary. However, he died tragically due to a wave of beasts and explosive bombs. It just so happened that Lei Shen came and was bound to the King of Jungler system! Others' war beasts were majestic and capable of killing at extremely fast speeds, but his "walking coffin board" steel-armored dragon that everyone disliked at the beginning had an incredible transformation under the blessing of the system, evolving from a scrap metal tank to a dragon king fighter plane that crushed the sea of ​​stars! From the low-level servants who were at the mercy of others, to the free mercenaries who roamed the ruins and galloped across the star sea, Lei Shen unlocked the bone metal portable space and mastered the top Pym particle technology and super crystal energy. Accumulate knowledge step by step and break the shackles of low-level civilization. The waste beast counterattacks and is invincible in the jungle! From then on, the starry sea rose and fell, and mechas became gods, crushing them with endless killing and resources, rising from ants at the bottom to becoming interstellar masters and harvesting the entire universe!