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| Level 1 | Level 2-3 | Level 4 | Level 5 | Level 6-7 | Level 8 |
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| Level 9 | Level 10-12 | Level 13 | Level 14 | Level 15-22 |
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| Level 1 | Level 2-3 | Level 4 | Level 5 | Level 5 (old) |
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| Level 6-8 | Level 9 | Level 10-12 | Level 13 | Level 14 | Level 15-22 |
General Information
- The Vault protects a portion of all Gold, Wood, Stone and Iron from being lost when an enemy player manages to successfully destroy the Headquarters in an attack. Tapping their resource bars will reveal the amount of resources that are under its protection should the base fall.
- Everything inside the Vault itself will never be lost to enemy players. They will go in the Vault before any other storage facility.
- The Vault's protection percentage applies not only for storages but also uncollected ones on resource production buildings under its owner's influence. This includes the Residences, Sawmill, Quarry, and Iron Mine.
- The Vault does not protect Victory Point/Operation Rewards and Submarine treasures until they enter storage, as they cannot be lost in attacks until then.
- However, it is possible to lose Wood, Stone and Iron from Resource Boats if one or more owned Resource Bases are taken over by enemy players. See here for more information.
Upgrade Differences
- Initially, the Vault is a door locked with a wooden bar leading underground, covered by blue wooden planks. It is reinforced by some sandbags on either side of it, as well as the rear.
- At level 2, the roof of the Vault gains two additional wooden strips, with screws to hold them in place. The Vault is further reinforced with two more sandbags, one on each side of the Vault.
- At level 4, the roof changes to a corrugated iron material. Some sandbags are removed on each side.
- At level 5, the surroundings of the Vault are fortified with finer stone.
- At level 6, the wood structure is replaced with stone. The wooden door becomes a more solidified wood, with iron edges and a black iron bar.
- At level 8, the Vault gains two metal doors with individual handles. The roof is now made of smooth iron.
- At level 9, the door changes to a spinning, watertight door.
- At level 10, the outer stone is reinforced with iron braces at the corners.
- At level 13, the Vault is now a top-opening spinning iron door on top of a stone platform. The door is also surrounded by smooth iron.
- At level 14, the upper door plating underneath the valve is reinforced with a tougher black iron.
- At level 15, the entire vault door is fortified with a tougher black iron.
- The Vault's protection percentage and storage capacity increases with each upgrade.
Skins
Name
|
Appearance
|
Description
|
Unlocking
|
|---|---|---|---|
| Default | 
|
Your original look. A familiar and timeless classic. | - |
| Box of Chocolate |  |
Share it with your loved ones. | Boom Pass Season 12 50 Mission Points |
Trivia
- The Vault is the only permanent building which has a description that changes with every upgrade, as each increases its resource protection percentage.
Statistics
| HQ Level | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Number Available
|
0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Building Size 
|
|---|
| 3x3 |
Level
|
Hitpoints
|
Storage Capacity | Protected
|
Upgrade Cost | Upgrade Time
|
Instant
|
Headquarters Level Required
|
XP Gain
| |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gold
|
Wood
|
Stone
|
Iron
|
Wood
|
Stone
|
Iron
| |||||||
| 1 | 1,000 | 5,000 | 2,000 | N/A | N/A | 25% | 300 | N/A | N/A | 5m | 5 | 2 | 2 |
| 2 | 1,100 | 10,000 | 4,000 | N/A | N/A | 30% | 2,070 | N/A | N/A | 1h 30m | 43 | 3 | 12 |
| 3 | 1,200 | 12,000 | 6,000 | N/A | N/A | 35% | 4,600 | N/A | N/A | 2h | 58 | 4 | 14 |
| 4 | 1,300 | 15,000 | 9,000 | N/A | N/A | 40% | 8,800 | N/A | N/A | 2h 30m | 75 | 5 | 15 |
| 5 | 1,400 | 20,000 | 12,000 | N/A | N/A | 44% | 11,600 | 2,030 | N/A | 3h | 97 | 6 | 17 |
| 6 | 1,500 | 25,000 | 15,000 | 3,000 | N/A | 48% | 17,600 | 3,500 | N/A | 3h 45m | 125 | 7 | 19 |
| 7 | 1,600 | 35,000 | 18,000 | 6,000 | N/A | 52% | 30,000 | 6,600 | N/A | 4h | 158 | 8 | 20 |
| 8 | 1,700 | 45,000 | 23,000 | 10,000 | N/A | 56% | 48,000 | 11,400 | 3,040 | 6h | 233 | 9 | 24 |
| 9 | 1,900 | 70,000 | 30,000 | 14,000 | 4,000 | 60% | 77,000 | 19,300 | 6,200 | 7h | 308 | 10 | 28 |
| 10 | 2,100 | 90,000 | 39,000 | 18,000 | 8,000 | 63% | 107,000 | 39,000 | 11,200 | 8h | 398 | 11 | 31 |
| 11 | 2,300 | 120,000 | 48,000 | 26,000 | 13,000 | 66% | 165,000 | 77,000 | 20,300 | 10h | 544 | 12 | 31 |
| 12 | 2,500 | 140,000 | 60,000 | 38,000 | 19,000 | 69% | 238,000 | 143,000 | 41,000 | 12h | 724 | 13 | 37 |
| 13 | 2,700 | 190,000 | 80,000 | 60,000 | 27,000 | 72% | 340,000 | 295,000 | 81,000 | 14h | 995 | 14 | 44 |
| 14 | 2,900 | 240,000 | 110,000 | 90,000 | 40,000 | 75% | 590,000 | 450,000 | 164,000 | 18h | 1,389 | 15 | 52 |
| 15 | 3,200 | 320,000 | 160,000 | 130,000 | 60,000 | 78% | 850,000 | 760,000 | 330,000 | 20h | 1,874 | 16 | 61 |
| 16 | 3,500 | 420,000 | 220,000 | 200,000 | 100,000 | 80% | 1,240,000 | 1,020,000 | 650,000 | 1d | 2,475 | 17 | 64 |
| 17 | 3,800 | 500,000 | 300,000 | 250,000 | 170,000 | 82% | 1,550,000 | 1,410,000 | 930,000 | 1d 2h | 3,009 | 18 | 67 |
| 18 | 4,100 | 600,000 | 360,000 | 340,000 | 230,000 | 84% | 1,780,000 | 1,730,000 | 1,360,000 | 1d 4h | 3,511 | 19 | 70 |
| 19 | 4,500 | 700,000 | 410,000 | 400,000 | 320,000 | 86% | 1,810,000 | 1,760,000 | 1,390,000 | 1d 8h | 3,587 | 19 | 70 |
| 20 | 4,900 | 800,000 | 510,000 | 510,000 | 510,000 | 88% | 2,060,000 | 2,060,000 | 2,050,000 | 1d 16h | 4,210 | 20 | 74 |
| 21 | 5,300 | 1,000,000 | 666,000 | 666,000 | 666,000 | 90% | 2,310,000 | 2,310,000 | 2,310,000 | 2d | 4,607 | 24 | 74 |
| 22 | 5,700 | 1,100,000 | 870,000 | 870,000 | 870,000 | 91% | 2,600,000 | 2,600,000 | 2,600,000 | 2d 8h | 5,032 | 26 | 80 |