Commanders, a brand-new progression system is arriving with the 802 update.

The Energy Cube brings deep customization, strategic decision-making, and a progression system where every choice matters. Here's everything you need to know.

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Key Info

Version: 802 Update

Unlocks At: Season 12 — place the Energy Cube building to begin progression

Core Modules: Cube Embedding, Cube Upgrading, Cube Disassembly, Cube Fusion, Chest Opening & Facet Refine

⚠️ Don't miss Season 12.

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What Is the Energy Cube?

The Energy Cube is a brand-new progression system. Once your server enters Season 12, place the Energy Cube building and dive into a deep customization experience — embed cubes, fuse them, crack open chests, and refine every facet to push your power further than ever.

Six core modules each stand on their own while complementing each other: Embedding, Upgrading, Disassembly, Fusion, Chest Opening, and Facet Refine. Every module is a key pillar of the progression system.

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Cubes & Faces

The cube has six faces, each a 5×5 grid. Face unlock is tied to the previous face's score and season progress — as the season advances and your score grows, more faces gradually become available.

Cubes come in five qualities, ranging from 1 to 5 cells, with various shapes. Filling an entire face by fitting as many high-quality, high-cell cubes as possible into the limited grid space is a challenge and a strategy in itself.

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Six Core Modules

🧩 Cube Embedding: Cubes come in different qualities and shapes. Place them strategically on the cube's faces — fit as many high-quality, high-cell cubes as possible to maximize your score. Every cell on a face can be activated by score, and higher score means better attributes.

⬆️ Cube Upgrading: Use Energy Essence to upgrade your cubes. Higher-level cubes mean higher scores, which in turn activate higher tiers on the embedded grid cells, granting stronger attributes.

♻️ Cube Disassembly: Got cubes you don't need? Break them down into Energy Essence. Energy Essence can be used to upgrade your cubes — giving spare cubes their own value.

🔗 Cube Fusion: Cubes of the same quality and shape can be fused together. This means low-quality high-cell cubes are still valuable — fuse them up to obtain the highest-quality, highest-cell-count cubes. Savvy commanders will hoard every piece.

🎁 Chest Opening: Opening Energy Cube chests grants a fixed amount of Chest Points. Accumulate these points to redeem new Energy Cube chests — a self-sustaining loop that rewards consistent play.

✨ Facet Refine: Every face of the cube can be refined, with up to 6 refine attribute slots per face. Refine becomes available once the face score reaches Stage 1. Use Facet Catalysts to reroll and refine your attributes — chase the perfect rolls to maximize your combat power.

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Scoring & Strategy

🧠 The Golden Rule of Scoring:

Under the same quality and level, a single N-cell cube scores MORE than N individual 1-cell cubes.

This means bigger cubes are always worth more than their smaller counterparts combined. Prioritize embedding high-cell-count cubes on your faces — the scoring multiplier rewards consolidation, not fragmentation.

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Facet Refine Details

As your face score reaches key milestones, you unlock more refine slots and higher quality tiers for your attributes.

Stage 1: Unlock initial refine slots + base quality tier

Stage 2: Unlock all 6 refine slots + expanded quality tier

Stage 3: Max quality tier

Each face can have up to 6 refineable attributes. Use Facet Catalysts to reroll and refine your attributes — chase the perfect rolls to maximize your combat power.

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Final Word from the Team

Embed, Upgrade, Disassemble, Fuse, Open, Refine;

Six modules, one deep progression system. Every cube you place matters — every face you refine pushes your power further.

The Energy Cube rewards commanders who think ahead: hoard low-quality high-cell cubes for fusion, maximize your face scores, and refine every facet to perfection.

See you in Season 12. ⚡

—— The Last Shelter Team

Feature details are based on internal development. Final implementation subject to the 802 update release.