Divine Beast Adventures - Chapter 349 - Another Way to Attack

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

Ye Qiu transmigrated to a world of barren wastelands. He obtained the 10,000 Fold Return System.

I reincarnated and became the young sect master of a sect that dominates a region.I originally thought that with my solid backing, I will not have any worries in this life. However, sudden changes occurred and the sect declined.When the last ten disciples were forced to leave, only a deaf old man and a dog named 'Haha' remained in the sect, I suddenly discovered that the buildings in the sect could be upgraded!I'll upgrade the main hall!I'll upgrade my residence!I'll even upgrade my kitchen!A super sect is currently rising inexorably like the Sun...Welcome to my sect.I only accept disciples that are geniuses. Even super experts have to pay if they want to join.There's no free lunch in the world!

A fluffy, sweet modern GL story about a mature older women and a cute university student.