Snake swallows whale

Invincible fists, unrivaled hammers! 
Junior Leopard, who traveled through time and space, takes what he earns and does only what he needs to do, never undertaking too much responsibility nor being so chivalrous as to do every good deed. His so-called ambitions from his past life to change the world were cast aside. 
However, when a forbidden bloodline awakens in his body and his eternal eyes begin to shine once again, he discovers that his iron fists give him the power to force others to follow the truth and to reforge justice! 
This is a cultivation legend about a modern man that was thrust into an amazing martial arts world.

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Omnipotent Sage

The device spirit of the Pool of Thunder Tribulation signed the contract without any second thoughts.

Yes, a new contract with Zhou Bao.

In order to have absolute control over the Heavenly Fairy Weapon, it was not enough to merely refine the weapon. The surrender of the device spirit was also necessary. But this couldn't be achieved only through a contract. It also had something to do with the spirit. The device spirit had its own spiritual intelligence and could not be forced. Therefore, the contract could only be signed when it was willing to. That was what Zhou Bao was doing right now.

The contract didn't guarantee absolute submission from the device spirit. What Zhou Bao could do now was to make sure they signed an equal contract, which would protect his interests. Even when they met the Thunder Emperor, the real creator of the Pool of Thunder Tribulation, the device spirit wouldn't change sides.

The Seven Wonderful Techniques and Deva's Five Decrepit Phenomena