There are many different weapons in Dark Souls 3, but the best ones for sharp infusion are the swords and spears. Swords and spears have high damage potential and can easily kill enemies with one hit, making them great options for sharp infusion. Some other good options for sharp infusion include the bow and crossbow. Crossbows have high damage potential and can easily kill enemies with one shot, making them a great choice for quick kills. Bow users can also use arrows to shoot enemies in close range, which is great for taking down tougher opponents quickly.