Summoner, but Industrial Cthulhu?

A powerful fel warlock is contracted by a famous abyss demon in the void of chaos, either an abyss lord, a doom guard, a fear guard, or a hell horse. As a senior demon summoner, Colen is often asked this question: "Summoners are really hard to deal with now. My friend, what is the summoned object in your contract? Undead? Demon? Or evil god?" "What is the ZTZ-96A main battle tank Demon?" "What does the Fourth Chaos Legion Synthetic Brigade mean?" Colen turned sideways and showed everyone a large number of "war demons" in his backyard, introducing them one by one: "Sorry, I forgot to educate everyone. This is the 04A tracked infantry fighting vehicle Demon, this is the 191 box-type long-range rocket launcher Demon, this is the J-36 sixth-generation fighter plane Demon, this is the Dongfeng-41 intercontinental missile Demon..." … PS: This book is also called "We are all Summoners, why don't I feel that the version is weak?" ", "Life, can you let me go this time! ", "The fourth natural disaster? No, it's a torrent of steel! ", "What is a devil's cross-border bombing?