O.T.T.O's Outpost (Builder Base)

Builder Base Buildings

Other Building

Updated: 18 September 2026 · By the Goblins Farm team

O.T.T.O´s home and the main building of the second stage. May contain additional feisty robots.\n\nDestroying O.T.T.O´s Outpost awards an extra star in attacks.

What the numbers say

O.T.T.O's Outpost is an other building in the Builder Base. It is unlocked at Builder Hall 6 and upgradeable through 10 levels. It occupies 4x4 tiles.

Across those levels it gains hitpoints from 650 to 2,750.

Taking one from level 1 to 10 costs 25,500,000 Builder Gold in total, and 52 days of build time.

How it looks at each level

Stats by level

O.T.T.O's Outpost stats by level

Level	Hitpoints	DPS or effect	Build cost	Build time	Builder Hall
1	650	—	0 Builder Gold	Instant	6
2	800	—	1,000,000 Builder Gold	1 d	6
3	975	—	1,250,000 Builder Gold	2 d	6
4	1,150	—	1,500,000 Builder Gold	3 d	6
5	1,350	—	1,750,000 Builder Gold	4 d	6
6	1,600	—	2,000,000 Builder Gold	5 d	6
7	1,850	—	3,000,000 Builder Gold	7 d	7
8	2,150	—	4,000,000 Builder Gold	9 d	8
9	2,450	—	5,000,000 Builder Gold	10 d	9
10	2,750	—	6,000,000 Builder Gold	11 d	10

Where these numbers come from. Read from Clash of Clans' own game files, client build 18.600.3. They are exact for that build and do not reflect anything released after it, so verify in game before committing an upgrade.

Game values are read from Supercell's own game files, reproduced as fan content under Supercell's Fan Content Policy. Goblins Farm is not affiliated with, endorsed, sponsored, or specifically approved by Supercell, and Supercell is not responsible for it.

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B.O.T.O’s Shack Builder Base

Goblins Farm is not affiliated with, endorsed by, sponsored by, or specifically approved by Supercell. Clash of Clans is a trademark of Supercell Oy. This material is unofficial fan content produced under Supercell's Fan Content Policy. Game values change with every update; always verify in-game before committing an upgrade.