Crystal infusion is a powerful magic that can be used to create powerful weapons and armor. In Dark Souls 3, there are many different ways to use crystal infusion, so it is important to find the right one for your needs. Here are some of the best weapons and armor for crystal infusion in Dark Souls 3. The best weapon for crystal infusion in Dark Souls 3 is the Great Crystal Sword. This sword has high damage and can be used to deal a lot of damage quickly. It is also very easy to use, making it a great choice for beginners. The best armor for crystal infusion in Dark Souls 3 is the Black Dragon Mail. This armor has high defense and can protect you from many attacks. It is also very easy to wear, making it a great choice for experienced players. If you want to get the most out of your crystal infusion abilities, then you should try using the Black Dragon Robe. This robe has high defense and can protect you from many attacks. It is also very easy to wear, making it an ideal choice for experienced players who want more protection than average.