The Treasury, formerly known as the Treasure Chamber, in addition to being a source of culture points, plays a role in the endgame. It is the place where World Wonder plans are kept; and additionally, it allows you to see where all the World Wonder plans are currently located.
In versions of the game before 3.1, there were additional artifacts besides the World Wonder plans; these are not present in 3.. However, in Travian 3.5, various artifacts have been introduced for the mid-game and end-game. For small Artifacts (including WW plans) a level 10 Treasure Chamber is required. For large Artifacts a level 20 Treasure Chamber is required. In 3.5 you can build a Treasure Chamber in any of your villages.
In order to win the game, an alliance must possess two World Wonder plans; two players within the alliance each must hold one. One of those players (the player building the World Wonder) must be the owner of a World Wonder plan.
Plans are initially held in Natarian villages. They can be retrieved by a hero, launched in an attack from a village with a level 10 Treasury, once the Treasury of the target village is destroyed. Thus, you can either destroy the Treasury and then send a hero afterward to retrieve the plan; or you can send a combined catapult+hero attack to destroy the Treasury and retrieve the plan simultaneously.
Once you have the World Wonder plan, other players will probably try to take it from you. It is highly recommended that you continually move the plan around within your own empire by "stealing" it from your own villages with your hero, but remember to rebuild the Treasure Chamber in case an emergency location change is needed, you do not want to be caught with no more treasuries left with an incoming attack to capture it.
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| Treasury Level | 
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Culture Point | Warehouses | Granaries | Artifacts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2880 | 2740 | 2580 | 990 | 4 | 7 | 1 | 1 | - |
| 2 | 3630 | 3450 | 3250 | 1245 | 2 | 9 | 1 | 1 | - |
| 3 | 4570 | 4350 | 4095 | 1570 | 2 | 10 | 1 | 1 | - |
| 4 | 5760 | 5480 | 5160 | 1980 | 2 | 12 | 1 | 1 | - |
| 5 | 7260 | 6905 | 6505 | 2495 | 2 | 15 | 1 | 1 | - |
| 6 | 9145 | 8700 | 8195 | 3145 | 3 | 18 | 1 | 1 | - |
| 7 | 11525 | 10965 | 10325 | 3960 | 3 | 21 | 1 | 1 | - |
| 8 | 14520 | 13815 | 13010 | 4990 | 3 | 26 | 1 | 1 | - |
| 9 | 18295 | 17405 | 16390 | 6290 | 3 | 31 | 1 | 1 | - |
| 10 | 23055 | 21930 | 20650 | 7925 | 3 | 37 | 1 | 1 | 1 |
| 11 | 29045 | 27635 | 26020 | 9985 | 3 | 45 | 1 | 1 | 1 |
| 12 | 36600 | 34820 | 32785 | 12580 | 3 | 53 | 1 | 1 | 1 |
| 13 | 46115 | 43875 | 41310 | 15850 | 3 | 64 | 1 | 1 | 1 |
| 14 | 58105 | 55280 | 52050 | 19975 | 3 | 77 | 1 | 1 | 1 |
| 15 | 73210 | 69655 | 65585 | 25165 | 3 | 92 | 1 | 1 | 1 |
| 16 | 92245 | 87760 | 82640 | 31710 | 4 | 111 | 2 | 1 | 1 |
| 17 | 116230 | 110580 | 104125 | 39955 | 4 | 133 | 2 | 1 | 1 |
| 18 | 146450 | 139330 | 131195 | 50340 | 4 | 160 | 2 | 1 | 1 |
| 19 | 184530 | 175560 | 165305 | 63430 | 4 | 192 | 3 | 1 | 1 |
| 20 | 232505 | 221205 | 208285 | 79925 | 4 | 230 | 3 | 1 | 1 |
| Total | 1115675 | 1061440 | 999460 | 383505 | 62 | 230 | - | - | - |
Upgrading a Treasury from 0 -> 10 costs 321,130 resources.
Upgrading a Treasury from 10 -> 20 costs 3,238,950 resources.
Upgrading a Treasury from 0 -> 20 costs 3,560,080 resources.
Construction Times[]
Construction Period Based On Main Building Levels 1-10[]
| Treasury Level | Main Building Level | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| 1 | - | - | - | - | - | - | - | - | - | 1:35:50ff |
| 2 | - | - | - | - | - | - | - | - | - | 1:54:50 |
| 3 | - | - | - | - | - | - | - | - | - | 2:16:50 |
| 4 | - | - | - | - | - | - | - | - | - | 2:42:10 |
| 5 | - | - | - | - | - | - | - | - | - | 3:11:50 |
| 6 | - | - | - | - | - | - | - | - | - | 3:46:00 |
| 7 | - | - | - | - | - | - | - | - | - | 4:25:50 |
| 8 | - | - | - | - | - | - | - | - | - | 5:12:00 |
| 9 | - | - | - | - | - | - | - | - | - | 6:05:30 |
| 10 | - | - | - | - | - | - | - | - | - | 7:07:30 |
| 11 | - | - | - | - | - | - | - | - | - | 8:19:30 |
| 12 | - | - | - | - | - | - | - | - | - | 9:43:00 |
| 13 | - | - | - | - | - | - | - | - | - | 11:20:00 |
| 14 | - | - | - | - | - | - | - | - | - | 13:12:20 |
| 15 | - | - | - | - | - | - | - | - | - | 15:22:40 |
| 16 | - | - | - | - | - | - | - | - | - | 17:53:50 |
| 17 | - | - | - | - | - | - | - | - | - | 20:49:20 |
| 18 | - | - | - | - | - | - | - | - | - | 24:12:50 |
| 19 | - | - | - | - | - | - | - | - | - | 28:08:50 |
| 20 | - | - | - | - | - | - | - | - | - | 32:42:40 |
| Total | - | - | - | - | - | - | - | - | - | 220:03:20 |
Construction Period Based On Main Building Levels 11-20[]
| Treasury Level | Main Building Level | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
| 1 | 1:32:20 | 1:29:00 | 1:25:50 | 1:22:50 | 1:19:50 | 1:17:00 | 1:14:10 | 1:11:30 | 1:09:00 | 1:06:30 |
| 2 | 1:50:40 | 1:46:40 | 1:42:50 | 1:39:10 | 1:35:30 | 1:32:10 | 1:28:50 | 1:25:40 | 1:22:30 | 1:19:30 |
| 3 | 2:11:50 | 2:07:00 | 2:02:30 | 1:58:10 | 1:53:50 | 1:49:40 | 1:45:50 | 1:42:00 | 1:38:20 | 1:34:50 |
| 4 | 2:36:20 | 2:30:50 | 2:25:20 | 2:20:10 | 2:15:00 | 2:10:10 | 2:05:30 | 2:01:00 | 1:56:40 | 1:52:30 |
| 5 | 3:04:50 | 2:58:10 | 2:51:50 | 2:45:40 | 2:39:40 | 2:33:50 | 2:28:20 | 2:23:00 | 2:17:50 | 2:12:50 |
| 6 | 3:38:00 | 3:30:00 | 3:22:30 | 3:15:10 | 3:08:10 | 3:01:30 | 2:54:50 | 2:48:40 | 2:42:30 | 2:36:40 |
| 7 | 4:16:20 | 4:07:00 | 3:58:10 | 3:49:30 | 3:41:20 | 3:33:20 | 3:25:40 | 3:18:10 | 3:11:10 | 3:04:10 |
| 8 | 5:00:40 | 4:49:50 | 4:39:30 | 4:29:20 | 4:19:40 | 4:10:20 | 4:01:20 | 3:52:40 | 3:44:20 | 3:36:10 |
| 9 | 5:52:20 | 5:39:40 | 5:27:20 | 5:15:40 | 5:04:10 | 4:53:20 | 4:42:40 | 4:32:30 | 4:22:40 | 4:13:20 |
| 10 | 6:52:10 | 6:37:20 | 6:23:00 | 6:09:10 | 5:55:50 | 5:43:10 | 5:30:40 | 5:18:50 | 5:07:20 | 4:56:20 |
| 11 | 8:01:30 | 7:44:10 | 7:27:30 | 7:11:20 | 6:55:50 | 6:40:50 | 6:26:30 | 6:12:30 | 5:59:10 | 5:46:10 |
| 12 | 9:22:00 | 9:01:50 | 8:42:20 | 8:23:30 | 8:05:20 | 7:47:50 | 7:31:00 | 7:14:50 | 6:59:10 | 6:44:00 |
| 13 | 10:55:30 | 10:31:50 | 10:09:10 | 9:47:10 | 9:26:00 | 9:05:40 | 8:46:00 | 8:27:00 | 8:08:50 | 7:51:10 |
| 14 | 12:43:50 | 12:16:20 | 11:49:50 | 11:24:10 | 10:59:40 | 10:35:50 | 10:13:00 | 9:50:50 | 9:29:40 | 9:09:10 |
| 15 | 14:49:30 | 14:17:30 | 13:46:30 | 13:16:50 | 12:48:10 | 12:20:30 | 11:53:50 | 11:28:10 | 11:03:20 | 10:39:30 |
| 16 | 17:15:10 | 16:38:00 | 16:02:00 | 15:27:20 | 14:54:00 | 14:21:50 | 13:50:50 | 13:20:50 | 12:52:00 | 12:24:20 |
| 17 | 20:04:20 | 19:21:00 | 18:39:10 | 17:58:50 | 17:20:00 | 16:42:40 | 16:06:30 | 15:31:40 | 14:58:10 | 14:25:50 |
| 18 | 23:20:30 | 22:30:00 | 21:41:30 | 20:54:40 | 20:09:30 | 19:25:50 | 18:44:00 | 18:03:30 | 17:24:30 | 16:46:50 |
| 19 | 27:08:00 | 26:09:20 | 25:12:50 | 24:18:30 | 23:26:00 | 22:35:20 | 21:46:30 | 20:59:30 | 20:14:10 | 19:30:30 |
| 20 | 31:32:00 | 30:23:50 | 29:18:10 | 28:14:50 | 27:13:50 | 26:15:00 | 25:18:20 | 24:23:40 | 23:31:00 | 22:40:10 |
| Total | 212:07:50 | 204:29:20 | 197:07:50 | 190:02:00 | 183:11:20 | 176:35:50 | 170:14:20 | 164:06:30 | 158:12:20 | 152:30:30 |