the mod add custom swords for the Original Minecraft. the mod add 3 swords (dark sword, snow sword, leaf sword) every sword give custom effects and custom moves. how to get theme? to get this swords you need craft theme on the crafting table or find theme in the world. example: you can find the swords in desert temple, jungle temple and much more. In conclusion, this mod adds to the Demon Slayer gaming experience, in addition you can do battles with friends with the special swords.