Relax Gaming’s Book of Power runs the Book of Ra playbook with two free spin tiers, a Power Bet ante, and an expanding symbol chain that climbs to 9x.
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Play Book of Power at UK Licensed Casino
Relax Gaming dropped Book of Power back in March 2023, and it sits firmly inside the Book of Ra family tree. You've seen this skeleton before. Pharaoh, scarab, glowing tome, sandstone temple in the background. What changes things here is the layered bonus economy stacked on top of that familiar 5×3, 10-payline frame.
RTP lands at 96.11%, volatility is high, and bets run from 0.10 up to 30 EUR per spin. The ceiling is a respectable 15,000x, which keeps the chase honest without going into silly four-digit territory some studios stretch to. The Book scatter doubles as a wild and pays in its own right, all the way up to 500x for five of a kind.
Now the interesting part. Three or more Books trigger Free Spins, and one regular symbol gets picked as the Expanding Symbol for the round. So far, standard. But land 2+ Books mid-bonus and instead of just retriggering, you add a second expanding pick, or, if both picks are already in play, the existing one gains a multiplier. That multiplier caps at 9x, which is plenty.
Then there's the upper tier. Power Free Spins kick in when one of the trigger Books is a Power Book. Same expanding mechanic, except retriggers upgrade the symbol up the paytable instead of adding new ones. Land a Power Book on reels 2, 3 or 4 and that reel turns golden permanently for the rest of the round, paying as if the Expanding Symbol landed there every spin. It's a clever twist that turns short bonuses into big ones fast.
Want shortcuts? The Power Bet ante doubles your stake and bumps trigger frequency by 170% while unlocking Power Free Spins access. RTP stays the same either way. Buy options sit at 100x bet for regular spins and 200x for the Power version. Honestly, the buy gap feels tight given how much stronger the Power round is, so 200x looks like the smarter spend if you're going that route.
One mild gripe: visually it leans hard on the Book of Ra template and won't surprise anyone who's played five other Egyptian books. The math underneath, though, gives it real teeth.
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