A Hundred-Year-Old Warrior God Guarding the Abyss Was Exposed by His Granddaughter

I, a hundred-year-old god of war, guard the abyss and kill monsters. The eighteen-year-old awakening system, guarding the abyss, will give various rewards as long as you kill monsters. Rely on rewards to develop mechas, future weapons, awaken abilities, and enhance attributes. He has become the only God of Martial Arts, Technology, and War. I thought I would keep this secret to the end, but I didn't expect it to be exposed by my granddaughter! … When the New Year arrived, Chen Bing took the "Looking for the Elderly" program crew to express condolences to his grandfather. It turned out that the door of my grandpa's house was unlocked, so I was afraid that something would happen to him, so I broke in. But I didn't expect that grandpa's room was filled with all kinds of weapons, like an arsenal. The underground level has advanced artificial intelligence and super mechas, and even high-tech weapons only seen in movies! There are everything from Iron Man, Hulkbuster armor, nuclear reactors, etc. Just when they thought that was all, it turned out to be just the tip of the iceberg. "Holy crap, the black light virus that killed the original form?" "We have gamma rays? Can we mass-produce the Hulk?" "Why is there still a divine sword? Split the universe with one sword?" Just when everyone was shocked, a portal appeared. A monster ran out from inside...