Bonus Success Rate

Improve your odds of successful sieges with additional Siege Power!

In order to have a higher success rate at the higher level Strongholds, you will need to Attack them with a higher amount of Siege Power than just the minimum required. For each additional 16 Siege Power over the minimum required, you will receive an additional 1% bonus chance to your Attack success rate. The maximum success rate for any Stronghold will is 88%.

Stronghold	Base Success Rate	384 Siege Power Adjusted Success Rate (Max=88%)	384 Siege Power Adjusted Success Rate (Max=88%)	1,040 Siege Power Army Success Rate Bonus (each extra 16 SP = +1%)	1,040 Siege Power Adjusted Success Rate (Max=88%)
1	88%	+22%	88%	+63%	88%
2	86%	+20%	88%	+61%	88%
3	84%	+18%	88%	+59%	88%
4	82%	+16%	88%	+57%	88%
5	80%	+14%	88%	+55%	88%
6	78%	+12%	88%	+53%	88%
7	74%	+8%	82%	+49%	88%
8	70%	+4%	74%	+45%	88%
9	66%	+0%	66%	+41%	88%
10	62%	+0%	0%	+37%	88%
11	58%	+0%	0%	+33%	88%
12	54%	+0%	0%	+29%	83%
13	50%	+0%	0%	+23%	73%
14	50%	+0%	0%	+17%	67%
15	50%	+0%	0%	+11%	61%
16	50%	+0%	0%	+5%	55%