The Anti Magic sword landed in Sailor Piece as part of the Anti Magic Update, tied directly to the new Crystal Defense mode on Punch Island in Sea 2. It is an Asta-style blade with a full Z, X, C, V, and F moveset unlocked the moment you obtain it, no mastery grind required.
Requirements before you start
Anti Magic is gated behind Sea 2 progression. You cannot buy or farm it from anywhere outside Punch Island's Crystal Defense system, and normal mob farming or world bosses do not drop it.
| Requirement | Details |
|---|---|
| Sea 2 access | Complete the Sea 2 unlock quest line |
| Crystal Key | Rare drop from any Sea 2 NPC (Starter, Bizarre, Punch Island) |
| Location | Defense Merchant and Crystal Defense NPC, back-left side of Punch Island |
| Currency | Crystal Coins, earned only inside Crystal Defense runs |
Crystal Keys have a very low drop rate from Sea 2 enemies. Starter Island in Sea 2 tends to be the fastest farm because the NPCs have low HP and spawn in dense clusters, which lets a luck build chew through them quickly.
Method 1: Buy Anti Magic for 5,000 Crystal Coins
Buying it from the Defense Merchant is the only guaranteed free path. Each cleared Crystal Defense wave pays out roughly 1 to 4 Crystal Coins, depending on how deep you push, so plan on multiple runs.
Step 1: Teleport to Punch Island and head to the back-left section, past the Fast Ninja enemies near the Cosmic Being area. You will find three NPCs: two Defense Merchants and the Crystal Defense NPC.
Step 2: Talk to the Crystal Defense NPC and spend a Crystal Key to enter a run. Stay close to the central crystal, push waves with high-AOE attacks, and survive as long as possible to bank coins.
Step 3: Once you have 5,000 Crystal Coins, open the Defense Merchant menu and click the yellow 5.0K button under Anti Magic. The sword goes straight to your inventory with all five moves unlocked.
Method 2: Boss drops inside Crystal Defense
A boss spawns every 5 waves (5, 10, 15, and so on) inside Crystal Defense. Each boss kill rolls for Anti Magic and Demon Wing, and the drop chance scales up the further you push. Reported boss drop rates land around 0.76% for Anti Magic and roughly 1% for Demon Wing on the wave 90 range, so deeper runs are meaningfully better than restarting early.
For boss-drop hunting, a damage build outperforms a pure luck build because it lets you reach higher waves where the drop rates climb. A hybrid approach with strong AOE plus a Devil Clan or Primordial Bloodline passive is a reasonable middle ground.
Method 3: Robux shop
If you want to skip the grind entirely, the in-game Shop sells the sword two ways.
| Bundle | Price |
|---|---|
| Anti Magic Sword (solo) | 1,499 Robux |
| Anti Magic Sword + Demon Wing | 1,299 Robux |
The bundle is cheaper than the solo purchase and includes Demon Wing, which is otherwise an extremely rare Crystal Defense boss drop.
Anti Magic moveset and damage
Whether you buy it with coins, Robux, or pull it from a boss, the entire moveset is unlocked instantly. There is no log-hitting mastery requirement to access the F slash.
| Key | Move | Damage |
|---|---|---|
| Z | Two ground swings into a forward slash projectile | 24B |
| X | Two large forward slash projectiles | 41B |
| C | Spinning AOE slash around the character | 71B |
| V | Jumps skyward, then slams the blade forward | 102B |
| F | Plunges blade into ground for swirling AOE, then a huge forward splash | 235B |
The F slash is the headline move and one of the strongest single abilities in the current Sea 2 endgame. With a tuned damage build, basic M1s land around 5 million per click, so the sword pulls weight even outside its cooldown skills.
Fastest path to the sword
For most players, the cleanest route is also the fastest in practice. Farm a Crystal Key on Starter Island in Sea 2 with a luck setup, then swap to a damage build for Crystal Defense and push as deep as you can each run. You earn Crystal Coins on the way to 5,000, and every boss along the route still rolls for a free Anti Magic drop.
If a boss happens to drop the sword before you hit 5,000 coins, spend those coins on chests, rerolls, or the Demon Wing grind instead. Either way, Anti Magic is locked behind one mode and one merchant, so the loop never branches: keys, defense, coins, boss, repeat.