Walls play a big part in winning defense. They shield buildings from attack and slow down invading forces. Walls also affect troop AI, so building and wall placement can make or break an attack.

Building Size	Requires Free Builder?	Upgrade Time
1x1	Yes	Instant

Wall Level	Hit Points	Upgrade Cost (Gold)	SH level required
1	360	300	2
2	395	2,000	2
3	430	4,500	3
4	470	8,000	4
5	505	35,000	5
6	575	250,000	7
7	650	1,000,000	9
8	720	1,500,000	11
9	755	2,000,000	12
10	790	2,750,000	13
11	900	4,000,000	15
12	1,050	7,120,000	16
13	1,250	8,000,000	16
14	1,600	9,600,000	17
15	1,840	11,520,000	18
16	2,208	15,000,000	19
17	2,937	16,000,000	19
18	3,906	16,000,000	20

See the Stronghold page for a table of walls per SH level

Wall Combinations