Minecraft wiki entry for Player_versus_Player, associated text: You may be pretty powerful with your not-inconsiderable Protection IV diamond armor and Sharpness V Knockback II and Fire Aspect II sword. However, as diamonds are not exactly impossible to find and more people will attempt diamond (or even netherite) swords and enchants, staying with this setup is not recommended. Sooner or later, their sheer number will make your PvP a button mash while surviving in a free-for-all becomes luck-based. Therefore, keep different weapons on you. Here are some ideas: