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Relax Gaming

Book of Power by Relax Gaming — RTP 96.11%

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Book of Power Overview

Book of Power from Relax Gaming returns 96.11% over the long run, squarely in the normal range for online slots. Below: how that compares to the industry and to Relax Gaming's other titles, plus measured hit frequency where we have it.

About Relax Gaming: Relax Gaming offers a diverse portfolio of slots alongside their aggregation platform. Their in-house titles are known for creative features and balanced volatility profiles.

How Often Book of Power Is Played

Measured

We recorded 896 spins on Book of Power from 50 different players between Aug 15 and Sep 14, 2026. That makes it the #287 most played game of the 2,205 we saw in that period — ahead of 86% of them.

896 spinsMost played game: 61,797
Spins recorded
896
Players seen
50
Rank of 2,205
#287

Counted from bets that appeared in Duel.com's public live feed, which shows a sample of play rather than every bet placed. It is a fair basis for comparing how often games are played, but not for judging how much they pay out — we publish no payout figures from this source.

RTP Analysis

Book of Power has a theoretical RTP of 96.11%. This is +0.11pp above the industry average of 96.00%. Compared to other Relax Gaming slots (average 95.96% across 142 titles), it offers a +0.15pp higher return.

vs Industry Avg
+0.11pp
Relax Gaming Avg
95.96%
vs Relax Gaming Avg
+0.15pp

Game Details

Free SpinsExpanding SymbolsBook Mechanic
Mechanic: paylineTheme: BooksMagicAdventure

Data by slot.report & SlotsLaunch

RTP Verdict

Industry-Standard Maths

Book of Power sits within a percentage point of the 96.00% industry norm, so its return is neither an argument for nor against playing it. What separates it from its neighbours is how it pays — the rhythm of small wins against rare big ones — which is what the measured data further down describes.

Frequently Asked Questions

What is the RTP of Book of Power?
Book of Power by Relax Gaming has a theoretical RTP of 96.11%, which is average for online slots. This is the figure the game's maths returns over its full lifetime, certified by an independent testing lab — not a reading from recent play.
Is Book of Power paying well right now?
There is no honest way to answer that, and we would rather say so than invent a number. Reading a single slot's actual return to within a percent takes tens of millions of spins on that one game, because one large hit outweighs weeks of ordinary play. Any site quoting you a slot's "RTP today" is quoting noise. What we do publish, where our tracker has recorded enough real bets, is how often the game pays at all — a figure that settles far faster and is shown on this page with its confidence interval.
Do slots go hot or cold?
Not in any way you can use. We tested our own recorded bet series for the serial correlation a genuine streak would leave behind, using Ljung-Box autocorrelation tests, and found none — the results are indistinguishable from independent draws, which is exactly what a certified random number generator is meant to produce. A game that has paid well recently is no more and no less likely to pay on the next spin.
Who made Book of Power and where can I play it?
Book of Power is developed by Relax Gaming. You can play it on Duel.com and other crypto casinos that carry Relax Gaming titles. The game's maths is identical wherever you play it — operators cannot change a certified RTP, though some games ship in several certified versions and an operator may choose which to run.
How does Book of Power's RTP compare to other Relax Gaming slots?
Book of Power returns 96.11%, which is average for the industry (average 96.00%). The spread within a single studio is usually wider than the gap between studios, so it is worth comparing title by title — our Relax Gaming page lists every one we hold with its published return.
What does the industry-standard maths verdict mean for Book of Power?
Book of Power sits within a percentage point of the 96.00% industry norm, so its return is neither an argument for nor against playing it. What separates it from its neighbours is how it pays — the rhythm of small wins against rare big ones — which is what the measured data further down describes.
Is Book of Power worth playing?
Book of Power offers a 96.11% return, which matches industry norms. On the maths it is neither a bargain nor a trap. Pick it if the theme and the feature set appeal — and check its measured hit frequency on this page if you want to know whether it pays in a steady trickle or in rare bursts.

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Disclaimer: RTP data is collected from third-party sources and may fluctuate. Past RTP performance does not guarantee future results. Gambling involves risk. 18+ only. Gamble responsibly.