The Vermilion Seance cover art

The Vermilion Seance slot: RTP and max win

By Ironhowl Studios. Released 14 Sep 2026, math version 8.
Low volatilityNo. 6221 most played this month

The Vermilion Seance is a low-volatility slot by Ironhowl Studios on Stake Engine, released 14 Sep 2026. Its base game returns 96.00%, below the median Engine slot (96.02%). The top payout is 20,000× the bet, bigger than 59% of Engine slots; from a base spin it lands about once every 9,999,998 spins. It has 2 bonus buys priced at 100× to 200× the bet; the best returns 96.00%, so each buy costs 4.00× the bet on average over the long run. It is the No. 6221 most played Engine slot over the last 30 days.

Base RTP
96.00%
catalogue figure 96.000%
Max win
20,000×
of the base bet
Max win, base spins
1 in 9,999,998
20,000× top payout per spin
Base spin pays nothing
66.2%
of spins
Players, last 30 days
8
$161 wagered (Engine Insights)

Every mode, side by side

Costs are multiples of the base bet. Odds come from the published outcome table for v8. "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.

ModeTypeCostRTPMax winMax win oddsPays anythingReturns the costExpected cost per round
BaseBase spin1.00×96.00%20,000×1 in 9,999,9981 in 2.981 in 7.280.04× base Simulate
AnteBoosted spin2.00×96.00%20,000×1 in 4,999,9771 in 2.941 in 110.08× base Simulate
BonusBonus buy100×96.00%20,000×1 in 1,000,0001 in 1.011 in 104.00× base Simulate
Bonus SuperBonus buy200×96.00%20,000×1 in 500,000every round1 in 338.00× base Simulate

Work out the cost of The Vermilion Seance 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.

VersionBase RTP
v896.000%Active

Frequently asked

What is the RTP of The Vermilion Seance?

Base spins return 96.00% of the amount wagered over the long run, from the published outcome table for version 8. All 2 of its bonus buys return 96.00%.

What is the max win in The Vermilion Seance and how likely is it?

The top payout is 20,000× the base bet. On a base spin it lands 1 in 9,999,998 spins. In the Bonus buy (100×) 20,000× lands 1 in 1,000,000 buys.

Does The Vermilion Seance have a bonus buy, and what does it cost?

Yes, 2 buy modes. Bonus: 100× the base bet, 96.00% RTP, an expected cost of 4.00× the base bet per buy. Bonus Super: 200× the base bet, 96.00% RTP, an expected cost of 8.00× the base bet per buy.

Is The Vermilion Seance high or low volatility?

Low. Its base-mode standard deviation is 10.1× the bet, which puts it in the lowest 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.

Slots with similar math to The Vermilion Seance

Matched on volatility, max win, RTP and whether there's a bonus buy. Not on theme.

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