Here’s the guide to getting Atomic Sword in Sailor Piece. I have also shared how to unlock the F move for the Atomic Sword in this comprehensive guide.
Sailor Piece Atomic Sword
Atomic Sword was added on March 24th, 2026. Currently, Atomic Sword (Cid V2) is one of the strongest endgame weapons in Sailor Piece, capable of dealing massive AoE damage. It is obtained on Lawless Island by completing a set of requirements or purchasing it directly.
How to Get Atomic Sword in Sailor Piece
- Go to any Teleport Portal
- Select Lawless Island
- Head to the right corner of the island
- Find the NPC holding a sword over their shoulder
- Interact with the NPC to view requirements
Once you have all the required items, talk to the NPC again to obtain the sword. Alternative: You can buy it directly for 1449 Robux.
Atomic Sword Requirements
Below, I have shared the requirements that you must meet to get the Atomic Sword:
- Eminence Incarnate Title
- Shadow Sword (Cid V1)
- 45,000 Gems
- Atomic Omen (1x)
- Dropped by Atomic (Cid) Boss
- Atomic Omen = 0.30 ~ 0.60%
- Eminence Essence (3x)
- Dropped by Atomic (Cid) Boss
- Drop chance: 1.02%
- Shadow Remnant (9x)
- Dropped by Atomic (Cid) Boss
- Shadow Remnant = 2.85% ~ 4.50%
- Magic Shard (16x)
- Dropped by Atomic (Cid) Boss
- Magic Shards = 8.75% ~ 12.50%
- Abyss Sigil (80x)
- Farm Arena Fighters on Lawless Island
- Or Ninja enemies on Ninja Island
- Arena Fighter: Level 12000+
- Ninja: Level 11500+
- Low Drop Rate
How to Farm Atomic (Cid) Boss
- Located on Lawless Island
- HP: 2B to 40B [Easy to Extreme]
- Requires Abyss Sigils to summon
- Difficulty modes:
- Normal – 1 Sigil
- Medium – 2 Sigils
- Hard – 3 Sigils
- Extreme – 4 Sigils
- Drops:
- Magic Shards = 8.75% ~ 12.50%
- Shadow Remnant = 2.85% ~ 4.50%
- Atomic Outfit = 0.75% ~ 1.30%
- Eminence Essence = 0.70% ~ 1.15%
- Atomic Omen = 0.30 ~ 0.60%
- Eminence Incarnate = 0.7% ~ 1.35%
Most required materials come directly from this boss, so repeated farming is necessary.
How to Get Shadow Sword (Cid V1)
- Go to Dungeon Island
- Find the NPC at the top-left of the building [Shadow Trainer]
Requirements:
- Shadowborn Race
- 10M Cash
- 15K Gems
- Atomic Core (1x)
- Shadow Essence (4x)
- Void Seed (8x)
- Umbral Capsule (20x)
All materials are obtained from the Cid Dungeon.
Atomic Sword Moveset
- M1
- Basic slashes and forward strikes
- ~200M damage
- Z Move
- Upward launch → ground smash → dash attack
- ~300M damage
- X Move
- Cyclone of slashes followed by a slam
- ~250M damage
- C Move
- Large-range cyclone with delayed smash
- ~680M damage
- V Move
- Cutscene attack with massive AoE burst
- ~830M damage
- F Move
- Creates a dark domain and deals huge AoE damage
- ~1.7B damage
Note: Damage increases significantly with upgrades, stats, traits, and builds.
How to Unlock Atomic F Move
- Unlock the Atomic Sword first
- Go to the left corner of Lawless Island
- Talk to the Atomic Master NPC
Complete the following quests:
- Defeat Atomic Boss 20 times (Hard/Extreme)
- Requires ~60 Abyss Sigils minimum
- Get Eminence Clan
- Use clan rerolls from bosses or codes
- Reach Floor 51 (5 times)
- Go to Tower Island
- Use Infinite Tower Portal
Tip: Focus on farming the boss in higher difficulties with a team to speed up drops and reduce total grind time.
That’s it for now in this post on how to get the Atomic Sword in Sailor Piece and unlock its F move.
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