Dalvin is a young man who spends his time working on art commissions for online clients while trying to improve his declining fitness. In order to quell his boredom, he downloads a strange mobile app called 'Path of Heaven,' advertised as a free Eastern fantasy-style game with great immersion. However, upon creating his character, an accident occurs, and Dalvin ends up awakening a space/time element physique, which causes him to be dragged into the world of 'Path of Heaven,' known as Tianzi! With his life at stake and only the ability to simulate a certain amount of time into the future, he must navigate his way through this dangerous and cutthroat cultivation world!
However, while that sounded pretty good, Dalvin was not exactly excited by the idea. The issue was that his elements were all distance-based. Darkness and space from martial arts and wood from cultivation, of which even the martial arts that usually emphasized close combat afforded him the ability to tear space to launch sinister attacks.
So back to the initial question, which weapon allowed for the usage of darkness, wood, and space?
A throwing knife?
No, wait, if we're looking at projectile attacks, then either a bow or a gun would be ideal. Unfortunately, Dalvin's enterprise on Earth had not stretched into arms production because he didn't see the value, or he could have had them craft him a special elemental sniper that could make use of his abilities.