is it wrong for a black knight to roam the dungeon?.

The fearless queen, all said she was an evil an ruthless person, a dangerous one who should not be messed with and that not only due to the fact she was the second strongest like she was out of the dark ages but what lay under that dark armor is a heart of gold and a soul of a true warrior. come to the adventure, a certain knight, and a young naive adventurer.

Also there will be elements for some technology's like phone, TV, etc

I don't own danmachi. This story is just a fanfic. The original creator and author is Fujino Ōmori please support his art for both. Is it wrong to try to Pick Up Girls in a dungeon? And Wistoria: Wand and Sword