When you jump into Roblox Sailor Piece and gain access to the portal, you will be able to travel to any of the 16 islands, except Soul Dominion (formerly known as Soul Society). This area is locked and can only be entered after completing the Hogyoku quest.
For those who don't know, the Hogyoku quest requires you to collect six Hogyoku Fragments scattered across various locations in the game world. For a full step-by-step breakdown of how to complete the Hogyoku quest and find each fragment, read this guide to the end.
Sailor Piece Tier List (April 2026)
Find the top picks in Sailor Piece with this tier list designed for early, mid, and endgame builds.
How to unlock Soul Dominion in Sailor Piece
To unlock Soul Dominion Sailor Pieceyou must do the Hogyoku Quest, which is given by the quest NPC on Hollow Island. Before you attempt this quest, though, keep that in mind the only requirement is to reach at least level 8,500. If you haven't reached that level yet, it is recommended to use damage focused builds for consistent EXP farming. This includes equipping clans and races like Upper and Warlord/Galevorn for melee users, and Frostbane plus Swordblessed/Sunborn for sword users.
You also need decent survivability against enemies so you can easily gain experience points. Only use Guardian runes (39% max health). After that, be sure to visit the following islands and beat normal mobs up to your level:
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Thief (Lv. 10) on Starter Island
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Monkey (Lv. 250) on Jungle Island
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Desert Bandit (Lv. 750) on Desert Island
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Frost Rouge (Lv. 1,500) on Snow Island
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Hollow (Lv. 5,500) on Hollow Island
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Curse (Lv. 7000) on Shinjuku Island
Take on the combat missions from the fighter NPCs on each island before killing any mobs. This way, you'll earn more XP along with extra drops like money, chests and more, rather than just regular experience.
How to complete the Hogyoku Quest in Sailor Piece
Once you reach level 8500, follow these steps to complete the Hogyoku quest Sailor Piece:
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Use the teleporter and travel to Hollow Island.
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Talk to the Hogyoku quest NPC (he's on the northwest side of the map. Just go behind the monument near the Manipulator boss spawn area and turn left).
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You are then tasked with finding six Hogyoku fragments hidden in the world.
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Find and collect them all (we've covered each of them below).
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Once you collect all six, the Hogyoku quest will be completed and you will be able to enter the Soul Dominion through the portal.
If that doesn't work, simply visit the Hogyoku quest NPC one more time and you're good to go.
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All Hogyoku Fragment locations
Hogyoku fragment 1
To find the first Hogyoku fragment, go to Snow Island and go to the north side of the map where the island ends. Then check the fourth tree near the small red mushroom. The fragment (purple glowing orb) is attached to its torso.
Hogyoku Fragment 2
The second Hogyoku fragment can be found on the side of a green sign attached to a large building near the cursed ship boss at Shibuya Station.
Hogyoku fragment 3
The third Hogyoku Fragment is on the wooden tube-like stand to the left of the Manipulator boss spawn area on Hollow Island.
Hogyoku fragment 4
The fourth Hogyoku fragment can be found on the fourth floor of the abandoned building on Shinjuku Island. Look for the large concrete box attached to the building and check behind the window. You know you're in the right place if you can see the strongest swordsman NPC in history on top of the second building.
Hogyoku Fragment 5
The fifth Hogyoku Fragment is on the penultimate tree behind the Slime Warrior (Lv. 8,000) mob army on Slime Island. This tree is thick and the orb is placed on the first branch.
Hogyoku Fragment 6
The sixth and final Hogyoku fragment is hidden behind the first building to the left of the portal on Judgment Island. Look for the big white tree growing on the side.
- Released
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September 1, 2006
- ESRB
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Teen / Diverse Content: Discretion Recommended, In-Game Purchases (Includes Random Items), User Interact
- Developer
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Roblox Corporation
- Publisher
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Roblox Corporation
