Unlocking Demon King in Sailor Piece: Full Steps

This guide explains exactly how to unlock the Demon King race in Sailor Piece, including every requirement and the step-by-step process. You need to reach level 2,500, obtain the Dark Fragment from the Demon King raid, and then use it at the Dark Altar on the Second Sea. The full process takes several hours of grinding, but this article breaks it down into clear stages.

Formula

The calculator above is a general pace/speed tool, not specific to Sailor Piece. It uses the basic relationship: pace = time ÷ distance and speed = distance ÷ (time ÷ 60). Variables: t is time in minutes, d is distance in kilometers. The output pace is in minutes per kilometer, and speed is in kilometers per hour.

Worked Example

Using the default values: t = 50 minutes, d = 10 km. Pace = 50 ÷ 10 = 5.0 min/km. Speed = 10 ÷ (50/60) = 12.0 km/h. The calculator returns the same results.

What Is the Demon King Race?

The Demon King is a special race in Sailor Piece, a Roblox game inspired by One Piece. It grants unique stat boosts and a transformation that increases damage and defense. Unlike the basic races (Human, Fishman, Mink, etc.), the Demon King is an end-game unlock that requires significant progression. Players often confuse it with the ‘Demon’ race from other games, but in Sailor Piece it is a distinct, late-game option.

Full Requirements to Unlock

Before you start, make sure you meet these prerequisites. Missing any one will block the unlock.

• Level 2,500 – This is the current maximum level. You must be at or above this level.
• Dark Fragment – A rare drop from the Demon King raid boss, located on the Second Sea. Drop rate is roughly 1 in 10 kills, but it is not guaranteed.
• 50,000 Fragments – The in-game currency, not the Dark Fragment. You need this amount to pay the altar fee.
• Second Sea access – You must have completed the first sea’s story and reached the Second Sea hub.

Step-by-Step Unlock Process

1. Reach level 2,500. Grind the highest-level bosses you can defeat efficiently. The best spots are the Cursed Captain in the Second Sea and the Admiral raids. Expect 20–30 hours of grinding if you are starting from level 2,000.
2. Locate the Demon King raid boss. On the Second Sea, find the raid portal near the Colosseum. The Demon King appears as a large, dark figure with horns. You can start the raid alone, but it is designed for a party of 4–5 players.
3. Defeat the Demon King. The boss has about 5 million HP and uses dark projectiles. Bring a high-damage fighting style like Dragon Claw or a strong sword. After the kill, check the drop. The Dark Fragment appears as a purple glowing orb on the ground.
4. Collect the Dark Fragment. If it does not drop, you must repeat the raid. The boss respawns every 15 minutes per server. You can server-hop to speed this up.
5. Go to the Dark Altar. The altar is on the Second Sea, on a floating island above the main hub. Use your race’s ability to fly or a flying mount to reach it. The coordinates are roughly (2,500, 1,200) – look for a dark purple glow.
6. Interact with the altar. You will see a prompt: ‘Offer Dark Fragment and 50,000 Fragments?’ Confirm. The altar consumes the items and changes your race to Demon King.
7. Confirm the change. A cutscene plays, and your character’s aura turns dark purple. You now have the Demon King race.

Common Problems and How to Avoid Them

Many players fail the unlock due to a few avoidable mistakes. First, you must be exactly at level 2,500 – being under level will not even show the altar prompt. Second, the Dark Fragment is not a guaranteed drop; do not waste hours on one kill. Third, the 50,000 Fragments are separate from the Dark Fragment – do not accidentally spend them on something else. Fourth, if you already have a race, you will lose it. Make sure you are okay with replacing your current race. Finally, the altar only works once per character – you cannot switch back to your previous race.

Is It Worth It? Comparison with Other Races

The Demon King race gives +15% damage, +10% defense, and a transformation that lasts 60 seconds with a 5-minute cooldown. Compare that to the Angel race (+10% speed, no transformation) or the Cyborg (+5% damage, +5% defense). For pure combat, Demon King is the strongest. However, the grind is long. If you are a casual player, you might prefer the easier-to-obtain races. Also note that the transformation cannot be used in PvP zones with a cooldown debuff, so its utility is limited in competitive play.

Frequently Asked Questions

Can I unlock Demon King on the First Sea? No. The raid boss and altar are only on the Second Sea. You must progress through the story to unlock the Second Sea.

What happens if I lose the Dark Fragment? If you die before using it, you will drop the fragment on the ground. Other players can pick it up. Always store it in your inventory or bank immediately after collection.

Can I trade the Dark Fragment? Yes, it is tradeable. You can buy it from other players, but prices are high. It is often faster to farm it yourself.

Does the Demon King race have any downsides? The transformation has a long cooldown, and the race does not boost movement speed. In races where speed is key, you might be at a disadvantage.

Can I reset my race after unlocking Demon King? Yes, you can use a Race Reset item, which is obtainable from the in-game shop or as a rare drop. That will revert you to Human, but you lose the Demon King permanently.

Is the Demon King race permanent? Yes, it is permanent until you actively change it with a Race Reset or unlock another race.

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in t | Finish time | min | 50 | 0
in d | Distance | km | 10 | 0
out pace | Average pace | min/km | t / d | 2
out speed | Average speed | km/h | d / (t / 60) | 2