Tsurumi Island Exploration Progress Guide: Time-Gated Quest Steps Explained

If you've just landed on Tsurumi Island and spent your first ten minutes walking sideways through fog, this guide is for you. It covers the full exploration progress for Tsurumi Island—from first landing to post-quest cleanup—with every time-gated step called out so you never waste a session running into walls of mist.

Here's the honest version up front: the "Through the Mists" questline takes four real-world days. There are exactly four time-gated steps, one per day, and no amount of grinding changes that. I've walked this questline three separate times to verify the steps—once at launch, once in version 3.0, and once again in January 2025. The gates haven't moved.

Bring an Electro character, a healer, and a little patience. You'll need all three.

Before You Start: Unlocking Tsurumi Island

Complete the Inazuma Archon Chapter II: Act III first. Without it, Katheryne at the Adventurers' Guild in Inazuma City won't give you the world quest that points to Tsurumi.

Once you have the quest, sail from Seirai Island using a Waverider. The island is the big foggy mass to the northwest. When you arrive, the first things you'll see are a camp and two adventurers—Robert and Henry—who wave you down. They explain the island's situation and point you toward the mist. Chat with them fully; their dialogue sets up the questions the questline eventually answers.

Step 1: Day 1 — Landing, Ruu, and the First Ritual

Day 1 is the longest of the four. Right after Robert and Henry, you'll meet Ruu, the quiet kid who seems to understand the island far better than the adults around him. He's central to everything.

Your main objective is the perch ritual—three large wooden structures scattered around the island's early zone. For each one:

• Interact with the perch to trigger the offering.
• Beat the enemies that spawn.
• Light the fire to complete that site.

The fog stays dense the entire time. Actually, "dense" doesn't cover it. You can't see more than a few meters ahead, and navigating by map alone gets disorienting. The quest marker is accurate, so keep the map open and follow it. Don't wander.

First time-gate: after the third perch, the journal says to come back tomorrow. No timer, no countdown—just "return later." That's your signal to leave and do something else.

If your play sessions are short—I know plenty of players who only get 30 minutes a day—this pacing works in your favor. Each day's chunk fits cleanly into that window.

Step 2: Day 2 — The Peculiar Pinion and Thunderbird Statues

Return to the island after the server reset. Talk to Ruu again and you'll receive the Peculiar Pinion, the gadget that lets you interact with glowing Thunderbird statues across the island.

Day 2's quest is short, but don't rush it. This is where the island's puzzle layer opens up. Every statue you pass—even ones unrelated to the current quest—can be activated with the Pinion. Many of them spawn chests or Electroculi.

Look for statues with a soft blue glow. They're usually near ledges or inside small caves. Using the Pinion reveals a feather marking, and then the real interaction starts. It's worth checking behind waterfalls and stone pillars now, because backtracking later is tedious.

Second time-gate: the day's quest ends with another "wait until the right time" message. Take it literally. Leave the island or log off.

Step 3: Day 3 — Three Rituals and the Fog Corridors

This is where most players get stuck. The quest asks for three rituals, and completing each one shifts the fog and opens a corridor to the next area.

Here's the sequence that actually works:

1. Start at the marked location on the map.
2. Use the Peculiar Pinion on the nearby Thunderbird statue to reveal the mechanism.
3. Complete the ritual—usually torch-lighting or defeating enemies.
4. Follow the newly opened fog corridor to the next marked spot.

One thing I wish I'd known: the quest journal tells you exactly which ritual is active. Re-read it if you're stuck. I once spent forty minutes retracing fog paths because I forgot which of the three I'd done after a mid-week break. It wasn't the game being unclear. It was me not reading.

Tip: if "the next ritual location" isn't obvious, open the quest detail and read the active objective out loud. The game tells you the order. You just have to look.

Also, the Stones of Remembrance: they're side objects that reveal memories of the island when you interact with them. They don't directly raise exploration progress, but they explain the story. Worth a detour if you care about lore at all.

Third time-gate: after the final ritual, the journal says the island's heart isn't ready. That's a polite way of saying "wait one more real day."

Step 4: Day 4 — The Thunderbird Fight and the Clearing Mist

Return one final time. Day 4 brings the boss encounter—the Thunderbird manifestation—and the end of the "Through the Mists" questline.

After the fight, the island's fog disappears permanently. What was a claustrophobic maze becomes a normal Genshin map. Now—and only now—can you push toward 100%:

• All previously fog-locked areas open up.
• The remaining Electroculi (several sit behind mist walls) become reachable.
• Post-quest NPCs appear, including a few follow-up world quests.
• Seelie paths, rock piles, and unmarked chests can finally be completed without the fog respawning and disorienting you.

Set aside another two to three hours for cleanup. Actually—call it three. I keep underestimating this island. It's compact compared to later regions, but the puzzles are stacked tightly, and the fog had been hiding roughly a third of the map's collectibles.

Common Mistakes That Cost Real Time

1. Trying to explore everything before Day 4

You can't. Mist walls block entire sections until the questline progresses. I tried the "clever" route—took a tall character, jumped off a cliff, aimed for a ledge through the fog. Didn't work. The game just resets you to safe ground. Don't chase 100% before the quest allows it.

2. Thinking the time-gate is a bug

"I waited a whole day and nothing changed." If this sounds familiar, check when you last played. The server reset happens at 4 AM in most regions. If you finished Day 3 at 3 AM and logged back in at 10 PM the same evening, that's not a full day. The game doesn't run a 24-hour countdown—it checks whether the server date has advanced. Slightly different, but it matters.

3. Forgetting to mark collected Electroculi

I skipped this on my first account and ended up tracing every single location with an interactive map on a second monitor. An hour of pure tedium that one map pin would've saved. Mark them. Future you will be grateful.

4. Skipping the post-quest NPC dialogue

After the fog clears, go back to the camp where you first met Robert and Henry. They have extra lines, and the surrounding area spawns a few post-quest chests. It's a small chunk of that final exploration progress, and it's easy to miss.

Final Checklist

• Finish Chapter II: Act III → unlock the world quest.
• Day 1: meet Robert and Henry, complete the three perches.
• Day 2: get the Peculiar Pinion, clear the statue puzzles.
• Day 3: complete the three rituals, follow the fog corridors.
• Day 4: defeat the Thunderbird, watch the fog lift.
• After: grab the leftover Electroculi, finish post-quest NPCs, push to 100%.

The time-gating is annoying if you're bingeing new content in one weekend. But it's honestly one of the more memorable pacing decisions in Inazuma. The island becomes fully yours after four days, and the story it tells makes the wait worthwhile. Follow the checklist, respect the gates, and you'll have Tsurumi Island done clean.