Dark Souls D&D: part 1, hitting things

I am converting Dark Souls into a 5th edition D&D rule set. I've been working on this off-and-on for a few months now. I chose to start with 5th edition D&D because that is the most popular. Right away I bolted on some drastic changes to the rules that redefine how the game works, but at its core the rules I am writing rely on the movement-action-bonus-reaction economy of combat that 5th edition…