Sea 2 is the true endgame of Sailor Piece. It is the region where the strongest bosses in the game live, where the Bloodline system replaces Clans, and where the Crystal Defense gamemode and the multiplayer Minotaur Raid become your main sources of power. Crossing over to Sea 2 is a milestone every serious player works toward, and it is a hard gate with no shortcuts. This complete guide covers the exact unlock requirements, how to reach the Sea Traveler, everything you must prepare before you sail, and everything new that awaits you on the other side.
1Sea 2 Unlock Requirements
Unlocking Sea 2 is a hard gate — there is no way to skip or rush past it. You must complete every one of the following requirements before the Sea Traveler will agree to take you across.
- 1
Reach World Island
Progress through all of Sea 1 to World Island, the final island and the gateway to Sea 2.
- 2
Hit player level 12,750
Sea 2 is level-gated. You must grind to level 12,750 before the Sea Traveler will speak to you.
- 3
Reach Ascension level 5
You need Ascension 5 from the Ascend Master — this requirement also unlocks the Bloodline system.
- 4
Talk to the Sea Traveler
With every requirement met, the Sea Traveler NPC on World Island sails you across to Sea 2.
Key takeaway
Ascension 5 is the real bottleneck for most players, not the level requirement. Start working on Ascension early — its objectives are all things you do during normal play anyway.
2Sea 1 Islands — Your Road There
Below is the full island progression you will follow to reach World Island. Use it as a checklist — clear each island's mobs and complete every Quest Giver quest before moving on. Skipping islands does not work; the level gates ensure you pass through each one in order.
| Name | Sea | Level range |
|---|---|---|
| Starter Island | Sea 1 | Lv 1–249 |
| Jungle Island | Sea 1 | Lv 250–749 |
| Desert Island | Sea 1 | Lv 750–1499 |
| Snow Island | Sea 1 | Lv 1500–2999 |
| Academy Island | Sea 1 | Lv 9000–10000 |
| Lawless Island | Sea 1 | Lv 12000–13000 |
| Sailor Island | Sea 1 | — |
| Shibuya Station | Sea 1 | Lv 3000–6000 |
| Hollow Island | Sea 1 | Lv 5000–6250 |
| Boss Island | Sea 1 | — |
| Dungeon Island | Sea 1 | Lv 5000+ |
| Shinjuku Island | Sea 1 | Lv 6250–8000 |
| Slime Island | Sea 1 | Lv 8000–9000 |
| Judgement Island | Sea 1 | Lv 10000–10750 |
| Ninja Island | Sea 1 | Lv 11500–12000 |
| Tower Island | Sea 1 | — |
| World Island | Sea 1 | — |
| Starter Island (Sea 2) | Sea 2 | Lv 12750–13500 |
| Bizarre Island | Sea 2 | Lv 13500–14500 |
| Punch Island | Sea 2 | Lv 14500–16000 |
| Blue Planet | Sea 2 | Lv 16000–18000 |
| Slayer Island | Sea 2 | Lv 17000–18500 |
3What Awaits in Sea 2
Sea 2 is not just more of the same — it fundamentally expands the game. It introduces Bloodlines, the Sea 2 equivalent of Clans, which stack on top of your existing Clan for a second full set of buffs. It adds six brand-new islands from Bizarre Island through Slayer Island. You will face World Bosses with billions of HP, roaming Sea Beasts in the open water, the wave-based Crystal Defense gamemode, and the multiplayer Minotaur Raid.
4How to Prepare Before You Sail
The difficulty jump into Sea 2 is steep — the very first Sea 2 mobs hit far harder than anything in Sea 1. Crossing under-geared just means dying repeatedly and grinding slowly. Before you talk to the Sea Traveler, finish Sea 1 properly: max out a Mythical weapon, secure a strong race that matches it, roll a good Legendary Clan, and stockpile rerolls so you can immediately chase a Bloodline once you arrive. A player who prepares Sea 1 fully blasts through early Sea 2; a player who rushes the crossing struggles for hours.
Watch out
Do not cross to Sea 2 under-geared. A maxed Mythical weapon and a strong race are strongly recommended — without them, early Sea 2 is a brutal, slow grind.
Frequently asked questions
What level do you need for Sea 2?
Player level 12,750, plus Ascension level 5.
Where do you unlock Sea 2?
At the Sea Traveler NPC on World Island, the final island of Sea 1.
What is new in Sea 2?
Bloodlines, six new islands, World Bosses, Sea Beasts, Crystal Defense and the Minotaur Raid.
Should I finish Sea 1 first?
Yes — max a Mythical weapon and secure a strong race before crossing, because Sea 2 mobs are far tougher.
Does Sea 2 unlock Bloodlines?
Yes — Ascension 5, the same requirement for Sea 2, also unlocks the Bloodline system.
Is Ascension 5 hard to reach?
Not if you start early — its requirements are normal gameplay like boss kills and dungeon clears.
Can I go back to Sea 1 after unlocking Sea 2?
Yes — you can travel freely between the seas once Sea 2 is unlocked.