I Gave Up Being Stronger - Chapter 81

In the era of universal mechas, people can go to the endless abyss, collect materials, strengthen and forge their own mechas, and master the power of destroying the world.

Jiang Chen traveled through time and awakened his talent [Immortal Unarmed]. Once the mecha is broken, he can permanently absorb its power and receive multiple bonuses.

…

At the bottom of the abyss, when the Old Demon God finally broke the Titan mecha with great effort, a hand stretched out from the fragments and held down its head.

“Congratulations, you have unlocked my limiter.”

- Description from novelbuddy

There was a Senior Brother and a Junior Sister. One of them was transmigrated to this world and had cheats while the other was the reincarnation of a Great Emperor.

Hazel has spent most of her life picked on and bullied by the triplet, rich, and handsome soon-to-be Alphas of the Emberfang Pack, Lucas, Liam, and Levi Sullivan. ‘Adopted’ by the Alpha and Luna, Hazel works as a live-in maid and is subjected to their daily torture.As such, Hazel wants nothing more than to leave the Emberfang Pack once she turns 18 and pays off her debt. Only, never once has she expected to find her fated mate in her tormentors—the Sullivan Triplets.All three of them.Caught between the mate bond constantly drawing her to the three handsome alphas and the trauma of their past bullying, Hazel must make a choice.Will she let go of the pain and trauma and give the triplets a chance? Or will she walk away from the Emberfang pack and her fated mates forever?

Arthur was a weak and cowardly boy who lacked the power to protect anyone—a truth brutally demonstrated when his parents were massacred while defending him during a Gate outbreak. As the sole survivor, Arthur spent weeks believing his life was over. When intense chest pains began, he assumed he'd been infected with corruption by the void creature that killed his parents and was merely waiting for death.What Arthur didn't expect was that these sensations actually signaled his Realm Core forming. In two months' time, he would be forcefully transported to the next realm and awaken new powers, becoming one of the world-renowned “Chosen” who protect humanity from Gate outbreaks. Now Arthur must rise through the heights of power, climbing each of the seven realms in hopes of saving his world... or does he?