What's wrong with building a steel torrent in a dungeon?

The industrial development plan of the dark and venomous loli!
Because she died suddenly after listening to a crosstalk, Fran traveled to the magic world and became a glorious nun. However, she wanted to start a magical journey, but she became a captive of the goblins.
Other people's journeys through time and space are full of adventures and golden fingers? Why is it that I am being targeted by various forces?
Since the gods don't love me, the demons don't love me, the humans don't care about me, and the elves won't save me, I can only rely on myself to farm! Build tanks! Build Gundams! Destroy this corrupt and dirty old world!