Devil May Cry Low% is a speedrun category in which the player must follow the stipulations, while using certain actions within the game as little as possible. Glitches such as Shadow despawn are all allowed. Using other programs to affect the game or modifying the game with mod is not allowed.
The stipulations for completing Low% are:
The leaderboards for this category are available here
(The rules here are specific to this category. Go to this page to find the rules that apply to all Devil May Cry speedruns.)
Low% is mostly known as a challenge run. In most cases, runners would be interested in this category after they acquired enough practical understanding of this game.
Once you have completed your first run and made savefiles practice the parts you are least confident with then try another run. When you get more confident you should stop getting safety routes and start tighten your currency.