Build the Seed Vault in Forge of Empires only if you run a secondary world dedicated to diamond farming or reliably aid more than 200 players every day and can afford to level the building to Level 60 or higher. If your primary goal is maximizing combat bonuses for Guild Battlegrounds (GBG) and Guild Expeditions (GE), skip the Seed Vault and allocate your city space to modern event structures.
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When to Build or Skip the Seed Vault
The Seed Vault is an Arctic Future Great Building defined by its secondary skill, Helping Hands. Deciding whether to place it depends on your city's role and available resources:
- Build the Seed Vault if:
- You operate secondary "diamond farm" worlds to harvest premium currency for your main account.
- You consistently clear your entire social bar daily (guildmates, up to 140 friends, and neighbors) using the Aid All feature.
- You have an established Forge Point income and access to a 1.9 leveling group to push the building past its weak early levels.
- Skip the Seed Vault if:
- Your city is tightly constrained by expansions, and you need tiles for offensive or defensive army boosts.
- You have not yet leveled core progression buildings, such as taking The Arc to Level 80.
- You cannot afford the Arctic Future construction goods or the Forge Points required to reach Level 60.
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How Helping Hands Generates Value
The Seed Vault produces a daily supply collection and activates the Helping Hands ability. Every time you aid another player's city by motivating or polishing, Helping Hands provides a percentage chance to award a random resource from a set pool:
- Current-era goods
- Forge Points
- Blueprints
- Coins and supplies
- Diamonds (rare drop)
Because Forge of Empires includes an Aid All button, players can trigger over 200 aid interactions in seconds across a full guild roster, friend list, and neighborhood. At high levels, this volume produces multiple reward triggers daily without requiring manual visits, production cycles, or battle attrition.
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Footprint vs. Modern Alternatives
The primary barrier to planting the Seed Vault is its physical footprint. It requires a 5x5 grid space (25 tiles) plus a road connection. Modern event buildings frequently outperform the Seed Vault on raw resources while providing critical military stats that the Seed Vault lacks entirely.
| Feature | Seed Vault | Modern Event Buildings |
|---|---|---|
| Grid Footprint | 25 tiles (5x5) plus road | 9 to 16 tiles average |
| Army Boosts | None (pure utility and economy) | High Attack and Defense values |
| Goods & Forge Points | Variable; depends on daily aid rolls | Guaranteed daily collections |
| Diamond Generation | Low recurring chance per aid roll | Rare (restricted to select utility items) |
If you are fighting through high attrition in Guild Battlegrounds, sacrificing 25 tiles for non-combat utility directly reduces your combat efficiency.
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Diamond Farming on Secondary Worlds
The Seed Vault's strongest ongoing use case is funding an account-wide diamond pool. Diamonds collected on any world are shared across your entire account.
Because traditional diamond-producing structures like Wishing Wells are difficult to obtain in large numbers, the Seed Vault provides a permanent, craftable substitute. Leveling a Seed Vault on secondary worlds allows you to generate diamonds through routine daily aiding, which you can then spend on expansions, event passes, or major features on your main competitive world.
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Investment Requirements and Next Steps
The Seed Vault requires significant upfront investment to become effective:
- Procure Arctic Future Goods: Trade down goods from higher eras or purchase an Arctic Future goods kit to place the construction site.
- Commit to Level 60+: Below Level 10, the trigger chance of Helping Hands is too low to deliver dependable yields. Plan to raise the building between Level 60 and Level 80 to ensure daily payouts across your 200+ aid targets.
- Use 1.9 Contribution Threads: Due to the steep Forge Point costs of high-era Great Buildings, level the Seed Vault through active 1.9 reward threads or dedicated guild swap arrangements rather than self-funding.
If you lack the resources to push beyond the initial levels quickly, leave the Seed Vault unbuilt and direct those Forge Points into military Great Buildings or The Arc.
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Player Comments
122 players commented on this guide.
The tips are practical and easy to follow.
This helped me understand strategy much better.
I wish I had read this before upgrading the wrong thing.
I tried this today and it worked better than my old setup.