Ashes to Fall? Do You Still Need to Practice Swordsmanship If You Have Power Armor?

The ion cannon and the sword flew together. Gangqi shares the same mecha color Powered armor, deformed monsters, beautiful swordsman... "A cool novel with some brains. The setting is rigorous. The more you read it, the more enjoyable it becomes. Science fiction + apocalypse + martial arts. The quality is trustworthy. There are many female protagonists + the occasional Shura field."