Everyone: Are mechanics weak? I wake up and rectify the natural disaster

Introduction: [National job change + black technology + invincible flow] Su Wen, who traveled through the apocalypse, was originally the weakest professional mechanic in awakening, but accidentally activated the omnic natural disaster system. From then on, he suffered from anxiety about lack of firepower. "Can a [Hypersonic Cruise Missile] kill a lord-level alien beast? It's not safe, so let's use a [Tactical Nuclear Bomb]!" "[The Floating Artillery Corps] can clear the sixth-level secret realm in three minutes? I don't think it's stable enough. Let's add two more [Deep Space Battleships]!" "What? A mere [Nine-Turn Holy King] can actually survive 0.3 seconds under [Neutron Killer]? This guy really has the appearance of an emperor, so terrifying !" "It's so unlucky, I'm still too weak. When will I be able to live a beautiful life where [Star-like Meteor] is used as a firecracker!"... Endless omnic legions; mighty...