SWORD OF KINGS slot: RTP and max win
SWORD OF KINGS is a medium-volatility slot by Black Monkey on Stake Engine, released 8 Jun 2026. The top payout is 15,000× the bet; from a base spin it lands about once every 11,197,665 spins. It has 12 bonus buys priced at 150× to 300× the bet; the best returns 96.00%, so each buy costs 6.00× the bet on average over the long run.
Every mode, side by side
Costs are multiples of the base bet. Odds come from the published outcome table for v4. "Returns the cost" counts rounds that pay back at least what the mode cost. Expected cost is cost × (1 − RTP): the average amount lost per round over the long run.
| Mode | Type | Cost | RTP | Max win | Max win odds | Pays anything | Returns the cost | Expected cost per round | |
|---|---|---|---|---|---|---|---|---|---|
| Base | Base spin | 1.00× | 96.00% | 15,000× | 1 in 11,197,665 | 1 in 1.86 | 1 in 6.26 | 0.04× base | Simulate |
| Enhanced | Boosted spin | 5.00× | 96.00% | 15,000× | 1 in 1,565,006 | 1 in 1.06 | 1 in 9.02 | 0.20× base | Simulate |
| B10 | Bonus buy | 150× | 96.00% | 15,000× | 1 in 511,536 | – | 1 in 5.41 | 6.00× base | Simulate |
| B15 | Bonus buy | 150× | 96.00% | 15,000× | 1 in 372,118 | – | 1 in 4.53 | 6.00× base | Simulate |
| B20 | Bonus buy | 150× | 96.00% | 15,000× | 1 in 415,062 | – | 1 in 6.93 | 6.00× base | Simulate |
| B25 | Bonus buy | 150× | 96.00% | 15,000× | 1 in 951,186 | – | 1 in 3.65 | 6.00× base | Simulate |
| B3 | Bonus buy | 150× | 96.00% | 15,000× | 1 in 59,315 | – | 1 in 11 | 6.00× base | Simulate |
| Bm | Bonus buy | 150× | 96.00% | 15,000× | 1 in 872,816 | – | 1 in 3.67 | 6.00× base | Simulate |
| Sb10 | Bonus buy | 300× | 96.00% | 15,000× | 1 in 681,913 | – | 1 in 5.06 | 12.00× base | Simulate |
| Sb15 | Bonus buy | 300× | 96.00% | 15,000× | 1 in 126,481 | – | 1 in 6.39 | 12.00× base | Simulate |
| Sb20 | Bonus buy | 300× | 96.00% | 15,000× | 1 in 101,411 | – | 1 in 8.09 | 12.00× base | Simulate |
| Sb25 | Bonus buy | 300× | 96.00% | 15,000× | 1 in 68,190 | – | 1 in 7.86 | 12.00× base | Simulate |
| Sb3 | Bonus buy | 300× | 96.00% | 15,000× | 1 in 221,412 | – | 1 in 5.00 | 12.00× base | Simulate |
| Sbm | Bonus buy | 300× | 96.00% | 15,000× | 1 in 72,652 | – | 1 in 8.08 | 12.00× base | Simulate |
Work out the cost of SWORD OF KINGS bonus buys at your bet size
Version history
Base-mode RTP per published math version. Older versions stay public in the fairness API, so changes can be checked.
| Version | Base RTP | |
|---|---|---|
| v4 | 96.000% | Active |
Frequently asked
What is the RTP of SWORD OF KINGS?
Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 4. All 12 of its bonus buys return 96.00%.
What is the max win in SWORD OF KINGS and how likely is it?
The top payout is 15,000× the base bet. On a base spin it lands 1 in 11,197,665 spins. In the B10 buy (150×) 15,000× lands 1 in 511,536 buys.
Does SWORD OF KINGS have a bonus buy, and what does it cost?
Yes, 12 buy modes. B10: 150× the base bet, 96.00% RTP, an expected cost of 6.00× the base bet per buy. B15: 150× the base bet, 96.00% RTP, an expected cost of 6.00× the base bet per buy. B20: 150× the base bet, 96.00% RTP, an expected cost of 6.00× the base bet per buy. B25: 150× the base bet, 96.00% RTP, an expected cost of 6.00× the base bet per buy. B3: 150× the base bet, 96.00% RTP, an expected cost of 6.00× the base bet per buy. Bm: 150× the base bet, 96.00% RTP, an expected cost of 6.00× the base bet per buy. Sb10: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Sb15: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Sb20: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Sb25: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Sb3: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy. Sbm: 300× the base bet, 96.00% RTP, an expected cost of 12.00× the base bet per buy.
Is SWORD OF KINGS high or low volatility?
Medium. Its base-mode standard deviation is 16.5× the bet, which puts it in the middle third of Engine games. What volatility means.
Can I check that a result was fair?
Yes. Engine games use provably fair seeds. Once your server seed is revealed you can replay any round against the published outcome table. See how to verify a result.