城攻撃時の進軍速度がアップします。

※歩兵練習場Lv23で解放されます。

レベル	建設時間	ゴールド	食料	木材	木炭	石材	鉄	その他（クリスタル）	進軍速度上昇
1	00:15:09	-	-	-	-	21,000	-	200	1%
2									2%
3	00:27:16	9,600	-	-	-	49,000	-	290	3%
4	00:34:09	12,000	-	-	-	62,000	-	350	4%
5	00:45:27	14,000	-	-	-	74,000	-	520	6%
6	00:54:32	29,000	-	-	-	150,000	-	630	7%
7	01:49:05	58,000	-	-	-	300,000	-	750	8%
8	03:16:25	100,000	-	-	-	530,000	-	900	9%
9	05:14:11	170,000	-	-	-	850,000	-	1,100	10%
10	07:51:20	250,000	-	-	-	1,300,000	-	1,600	12%
11	11:28:09	360,000	-	-	-	1,900,000	-	1,800	14%
12	16:17:08	520,000	-	-	-	2,700,000	-	2,000	16%
13	22:28:20	710,000	-	-	-	3,700,000	-	2,200	18%
14	1d 06:06:44	950,000	-	-	-	4,900,000	-	2,400	20%
15	1d 15:08:53	1,200,000	-	-	-	6,400,000	-	3,600	24%
16	2d 01:19:30	1,600,000	-	-	-	8,000,000	-	4,300	26%
17									28%
18	2d 23:00:28	2,200,000	-	-	-	12,000,000	-	5,600	30%
19	3d 08:56:53	2,600,000	-	-	-	13,000,000	-	6,200	32%
20	3d 13:51:07	2,800,000	-	-	-	15,000,000	-	9,300	34%
21	3d 19:00:09	3,000,000	-	-	-	15,000,000	-	10,000	38%
22	3d 20:49:19	3,000,000	-	-	-	16,000,000	-	11,000	40%
23	3d 22:40:44	3,100,000	-	-	-	16,000,000	-	12,000	42%
24	4d 00:34:17	3,200,000	-	-	-	16,000,000	-	14,000	44%
25	4d 02:30:13	3,200,000	-	-	-	17,000,000	-	15,000	50%