Use KWS to Buy NFT Mystery Box: The NFT Mystery Box is another alternative to get a high-rarity weapon. For high-valued boxes such as Gold Box, Platinum Box, Diamond Box, you will have a chance to get Epic weapons. For Mythical Weapons, you can only get one of these through Weapon Crafting. They are the pinnacles of Knight War The Holy Trio which will help you beat almost every Boss in the game (yes, you still need to upgrade your weapon and your team!).