Story of the devil sword

What happens when a naive guy with hero complex reincarnates as a guy with anti-hero complex, well continue to read to find out...................... This is basically an amalgam of lots of ideas that popped up in my head so there may be maaaanny plot holes ................. future warning to one who wants to play hit-the-plot mole. The cover is not mine, it is of an unknown guy who shall go unnamed 'cause I didn't bother to search it. Sorry unknown dude for you shall remain unknown probably.