- Robots are your army: Roll robot tanks, deploy them, and blast vaults for Gold in Destroy a Vault.
- Rarity matters: Higher-rarity robots deal more damage and earn more Gold per attack.
- Fill slots first: A complete army beats one strong robot early on.
- Offline income: Deployed robots keep earning Gold while you are away.
- Boss prep: Save Gems for Mutation Cores before pushing Boss Vault Raids.
How Robots Work in Destroy a Vault
Robots (robot tanks) are the core of every vault attack. You obtain them through the roll system, which randomly grants tanks of different rarities. Your active army slots determine how many robots can attack the vault at once, so early progression is about filling every slot before chasing perfect pulls.
The full loop works like this: roll robots, place them in your army, blast the vault until it breaks open, collect Gold, then smelt that Gold into Cash to fund more rolls and upgrades.
| System | What It Does | Priority |
|---|---|---|
| Rolling | Randomly grants robot tanks by rarity | High - main source of robots |
| Army slots | Limits how many robots can attack | High - expand early |
| Rarity tiers | Determines damage and Gold efficiency | Medium - improves over time |
| Offline earnings | Deployed robots earn Gold while offline | High - free passive income |
| Upgrades | Boost army strength with Cash | High - spend efficiently |
Roll whenever you have spare resources. Duplicates and low-rarity pulls still fill slots, and every deployed robot contributes Gold - even the weak ones.
Robot Tier Breakdown by Game Stage
Because robots come in rarities, the right choice depends on where you are in progression. Use this tier framing to decide what to keep, upgrade, and replace.
| Tier | Stage | Rarity Focus | Damage | Keep or Replace |
|---|---|---|---|---|
| S | Late Game | Highest rarities | Best overall DPS | Keep and upgrade |
| A | Mid Game | High rarities | Strong vault damage | Keep until S-tier pull |
| B | Early Game | Common rarities | Useful starting damage | Keep until replaced |
| C | Replacement | Duplicates, outdated | Low vs stronger vaults | Replace gradually |
S Tier - Late Game
- Best damage and Gold efficiency
- Core of Boss Vault Raid armies
- Invest Mutation Cores here
A Tier - Mid Game
- Reliable general-purpose tanks
- Backbone of stronger vault attacks
- Good active and offline income
B Tier - Early Game
- Fill the army immediately
- Completing slots beats rarity early
- Replace as better rolls arrive
C Tier - Replace
- Low-value duplicates
- Temporary roster filler
- Swap out without weakening the army
Never remove robots just because they are low rarity. A full army of B-tier tanks breaks vaults faster than a half-empty lineup of A-tier pulls.
Step-by-Step Robot Setup
Follow this sequence when you start a session or after a big pull streak.
Roll for Robot Tanks
Use your available resources to roll. Every pull is a chance at a higher-rarity tank that can anchor your army.
Compare Against Your Army
Check the rarity and damage of new pulls versus your currently deployed robots before swapping anything.
Deploy Into Slots
Place your strongest robots into every available attack slot. Empty slots are wasted damage.
Blast the Vault
Send the full army at the strongest vault you can break efficiently and collect the Gold payout.
Smelt and Reinvest
Smelt Gold into Cash, then spend on army upgrades, additional slots, or base expansion before the next roll session.
Before logging off, confirm your best robots are deployed. They keep earning Gold automatically, so a full army means a bigger payout when you return.
Upgrades and Boss Vault Raid Prep
Cash from smelting funds your upgrades. The BOSSES update added Boss Vault Raids and Mutation Cores, which changed late-game priorities: reserve Gems for Mutation Cores instead of routine spending.
| Upgrade Target | Cost Currency | Impact | When to Buy |
|---|---|---|---|
| Robot strength | Cash | Higher vault damage | Early and ongoing |
| Attack slots | Cash | More robots per attack | When slots limit your army |
| Base expansion | Cash | Room for larger setup | Mid game |
| Mutation Cores | Gems | Mutation progression | Late game, on keepers |
Spend Mutation Cores only on robots that will stay in your long-term army. Applying them to tanks you plan to replace wastes a premium resource.
Robot Progression Checklist:
- Fill every army slot with deployed robots
- Replace the weakest tank each time a better roll arrives
- Smelt Gold into Cash before logging off
- Expand attack slots when rolls outpace capacity
- Save Gems for Mutation Cores on S-tier keepers
- Build a high-rarity army before attempting Boss Vault Raids
Common Robot Mistakes
| Mistake | Why It Hurts | Fix |
|---|---|---|
| Chasing rarity with empty slots | Half-empty army lowers total DPS | Fill all slots first |
| Hoarding Gold unsmelted | Gold sits idle instead of funding upgrades | Smelt into Cash regularly |
| Skipping offline collection | Missed free income | Collect on every login |
| Spending Gems casually | Delays Mutation Core access | Save for late game |
| Upgrading replaceable robots | Wasted Cash on temp tanks | Upgrade keepers only |
Attack the strongest vault your army can break efficiently. Overreaching into a vault you cannot crack wastes time, while farming vaults far below your level wastes Gold potential.
Robot Guide FAQ
Q: How do I get robots in Destroy a Vault?
Robots are obtained through the roll system, which randomly grants robot tanks across different rarities. Roll regularly, compare new pulls against your deployed army, and slot in anything that improves your lineup.
Q: Should I keep low-rarity robots?
Yes, early on. A full army of common tanks outperforms a partial lineup of rare pulls. Replace low-rarity robots gradually as higher-rarity rolls arrive, and never leave slots empty.
Q: Do robots earn Gold while I am offline?
Yes. Deployed robots continue generating Gold automatically while you are away. Always leave your best available army deployed before logging off and collect the accumulated Gold when you return.
Q: What are Mutation Cores and when should I use them?
Mutation Cores are purchased with Gems and support mutation-related robot progression introduced in the BOSSES update. Save them for high-rarity robots that will remain in your long-term army, especially for Boss Vault Raid preparation.