MTL - Super Dimensional Wizard - Chapter 33 No special

[You Have Been Chosen.]When the world crumbled, I was nothing more than a jobless loser, left to rot on the streets as the dead devoured the living.Until I heard that voice...[The Ruler System has activated.][Rank 1: Loser][Followers: 0/1]A system that lets me recruit followers, copy their skills, and grow stronger through their actions.My first subject?Mu Qinglan.The ruthless Ice Queen CEO I once called “Boss.” Cold, untouchable... and now infected.As her bloodthirsty jaws closed around my neck, I barely saved her with the system’s makeshift cure.[You Have Recruited Mu Qinglan (S-Tier)][You have copied Mu Qinglan's [Leadership] skill][Please Choose the second skill to copy][+100 Ruler EXP]Every follower I command strengthens me.Every kill feeds my dominion.In this world of death and chaos...I will build an empire of S-Tier Beauties and ascend as the Apocalypse King.For my name is John Wang!

A detective travels across the United States and becomes an agent of the Los Angeles Police Department.

After getting through the initial confusion, he repeatedly solved strange cases, became famous all over the world, and was called the most legendary detective in history…

- Description from novelbuddy

After transmigrating to Hong Huang and becoming a minor shaman in Hou Tu’s tribe, Chu Xuan shocked everyone by repeatedly offering poisonous plans in order to avoid becoming Cannon Fodder in the Great Calamity.Who would have thought? The poisonous plans were incredibly effective.The Demon Clan established the Heavenly Court and united countless races?Chu Xuan: Establish the path of the Heavenly Tribulation and share the power with the Heavenly Court. From now on, all beings must undergo the tribulation!In Zixiao Palace, it was said that those without Primordial Spirits couldn’t listen to the Dao?Chu Xuan: Create the path of the Heavenly Demon as a tribulation for Primordial Spirits. All who possess one will suffer!During the war between the Wu race and Demons, countless souls were left with no place to go, and the Calamity Qi of heaven and earth ran rampant. Who asked Hou Tu to reincarnate?Chu Xuan: If you don’t work hard in your cultivation, you’ll end up as brothers in the Ten Thousand Souls Banner.…Chu Xuan: I have a plan that can completely resolve the Great Calamity of the Demons and Wu races!Hou Tu: Chu Xuan, calm down first. Things haven’t come to that point yet.

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?