
Unlocking Level 40 Content
If you’ve been grinding your way through Etheria: Restart, hitting level 40 is a huge moment—and not just because it feels like a milestone. At this point, the game starts to really open up with fresh content, tougher challenges, and big rewards. In this guide, we’ll dive deep into the newly unlocked features at level 40, including the jaw-dropping Shell boss Astarte, the incredible value of Mythical Shells, and the strategic, multi-team adventure mode called Etheria Decree. Trust us—you’re gonna want to clear some team space and start prepping.
Astarte & Shadow Pursuit – Mythical Shell Madness Begins

Once you hit level 40, one of the biggest highlights is unlocking Astarte, the final boss in the Shadow Pursuit content. This mode is your gateway to obtaining Mythical Shells—and they’re absolutely busted (in a good way).
These Mythical Shells are not just stat sticks. They come loaded with powerful Matrix combinations that can completely change how your characters perform in battle. Think massive boosts to damage, healing, speed, and unique effects you won’t find anywhere else. If you’re the type who geeks out over gear optimization, welcome to your playground.
The Nightmare difficulty is now available, and while Inferno is still waiting in the wings for some players, Nightmare already shows how intense the challenge—and the rewards—can get. The visuals of Astarte? Top-tier. And don’t be fooled by how smooth some of the clears may look in beta—players have received boosted resources for testing purposes. On launch, you’ll need to climb your way up the hard way.
But here’s the good news: earlier Shells from bosses like Kururu, Febian, or Whitney? Still valuable. They don’t lose their relevance just because you’ve unlocked higher-end content. You can mix and match based on need, and that’s a great design choice for long-term progression.
Introducing Ethernet Decree – Multi-Team Strategy Mode with Depth

Now for the real gem at level 40—Ethernet Decree. This brand-new adventure mode is one of the most exciting additions so far, bringing a strategic, multi-team system layered with exploration, node-based progression, and region-locked team building.
Here’s how it works:
- You explore three regions, each with 59 nodes.
- Nodes include fights, Supply Boxes (full of rewards), and card-based buffs to power up your teams.
- You earn Victory Medals from battles to buy Supply Modules, which offer passive boosts.
- Each team can equip up to three modules, and you’ll need to adjust based on your comp and path.
- Content is re-settable, meaning it’s a repeatable source of resources and fun.
Now, the big twist? Each region is attribute-locked. For example, one might only allow Hollow and Light characters, meaning you’ll need teams focused around those elements. But here’s where it gets generous—you’re not locked out of using a character multiple times as long as their attribute fits. That means if you have a strong Light unit like Massiah or Dorothy, they can be slotted into more than one team across regions, provided they match the attribute requirements.
This opens up a lot of flexibility while still encouraging thoughtful team building. You’re not stuck scrambling to build ten viable teams—just enough to cover the core attributes well.
Shadow Formers, Synergy, and Real Value for Every Unit

In the Ethernet Decree mode, there’s also a feature called Shadow Formers. These seem to function as temporary support characters you unlock during the adventure. They add a unique twist, possibly coming from your Union or the adventure itself, helping to bolster your team for tougher nodes.
What’s also refreshing here is how much value even lower-rarity units hold. This isn’t a game where only SSRs matter. In fact, the diversity in viable builds becomes more important as content complexity ramps up. Investing in SRs or even Rs can seriously pay off—especially when you hit restrictions based on attribute or team composition.
The system encourages experimentation and discovering unexpected synergies between units that don’t normally see the spotlight. It’s perfect for players who love finding hidden gems and building creative comps.
Treasure Galore – What You’ll Earn From Etheria Decree
Let’s talk loot. The rewards from Ethernet Decree are stacked:
- Etheria Coins for summoning and progression.
- Hydra Crystals and Victory Medals to buy top-tier resources.
- EXP, training data, and materials for raising Shells.
- Shadow Prints to raise your characters’ rarity.
- Universal currency for character dupes.
Each major boss in the region has a clear loot table, and the difficulty steadily scales. Plus, the layout of rewards, including chests and boss-specific drops, makes it easy to plan your runs and maximize gains.
What’s Next at Level 50?
While this is a massive jump in content, the final unlock happens at level 50—where we expect the highest difficulty in gear dungeons to drop. Expect brutal stat checks, top-tier Shells, and a real need for optimized gear and full team synergy. It’ll likely require fully built 6-star units, strong Matrix bonuses, and maybe some clever module combos to break through.
Final Thoughts – Etheria Just Keeps Getting Better
Etheria: Restart continues to impress with its evolving complexity and player-friendly design. Between the intense boss battles, gear progression, and the strategic puzzle of Ethernet Decree, there’s plenty to keep mid-to-late game players engaged.
Whether you’re free-to-play or a dedicated min-maxer, the content unlocked at level 40 adds genuine depth without overwhelming new players. And with resets, multiple reward paths, and meaningful unit diversity, this system is built for the long haul.