Getting the Cursed Dual Katana in Blox Fruits
The Cursed Dual Katana, or CDK, is one of the most wanted weapons in Blox Fruits. It requires a long chain of steps, specific quest locations, and a few rare materials. Most players hit a wall somewhere along the way. Here is how it actually works, based on going through it multiple times. First, you need to have access to the Second Sea. That means your level has to be at least 700. If you are under 700, none of the steps below will even show up in your game. You also need both the True Trio of Power and the Raizo quest completed, because the CDK chain branches off from those already.
Unlocking The Cursed Dual Katana In Blox Fruits The Ultimate Guide
The process starts with two separate swords: the Dark Dagger and the Durable Katana. You farm the Dark Dagger from enemies around the Prison area in the Second Sea. It drops roughly every 5 to 10 minutes depending on mob density. The Durable Katana comes from defeating enemies near the Magma Village. Those mobs are tougher but they drop the blade consistently. I spent about 40 minutes combining the two before I realized the Magma Village spawns were more reliable than I expected, so I stopped chasing the Prison route entirely. Once you have both swords, you combine them using the Special Sword Fusion guide inside the game. You do this by talking to the blacksmith in the Second Sea. The fusion gives you the Flame Claws and the God's Cherry. Neither of those is a weapon itself. They are quest items needed for the next step. After that, you need to complete the Raizo quest chain. This involves finding and defeating Raizo the Soul Reaper in multiple phases. The fight takes about 10 to 15 minutes if you have a decent build. If you die during it, you start the encounter over from the beginning. I once got cocky and brought a fruit that had zero damage output against his second phase, which took me nearly an hour to recover from. Stick to high DPS fruits like Flame or Light for this fight.
When you finish the Raizo quest, you receive the Kikoku sword. Kikoku is a permanent requirement for the final CDK fusion. Without it, the whole chain stops. You also need a maximum level upgraded Durable Katana. Level it up at the blacksmith using Beli and upgrade materials before attempting the fusion, because the CDK inherits the upgrade level and it matters a lot later. The final step combines the Kikoku sword with the God's Cherry. You take both to the Hidden Island. The island only appears if you complete the necessary quests in the correct order. Some players miss that the Hidden Island location changes position slightly each time you visit, so you might need to search around the coordinates given by the NPC. Once you locate the island, interact with the sword upgrade NPC and fuse the items. The CDK is yours after that. One thing nobody really talks about is the max level cap on the CDK. It caps at level 700 with upgrades, which means if you plan to use it in the Third Sea, you will outlevel it pretty quickly. The damage scaling still holds up, but it is not a late-game endgame weapon by any stretch. If your main goal is top-tier Third Sea damage, the Yama sword or the Buddha fruit combo might serve you better.
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Another edge case is the upgrade materials. You need Rengoku Shard fragments and certain rare drops from the Third Sea. I ran into a problem where my server had extremely low drop rates on the shard mobs, which stalled my progress for about three hours. The workaround was to switch to a different server and restart the farm. Drop rates vary by server, not by account or time of day, so swapping servers when you hit a dry streak is a legitimate tactic. If you are trying to optimize speed, the biggest time sink is actually the Durable Katana leveling, not the combat encounters. Leveling it to maximum takes around 30 to 45 minutes of grinding at the blacksmith with sufficient Beli. Plan your Beli accumulation early rather than scrambling at the end.
