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Parimatch
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SpinBetter
150 FS in the Fiesta Clusters slot + 200% casino bonus (up to €1,500) or 275% sports bonus (up to €500).
YoHo Slot
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ColdBet
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1xBet
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Vivajack
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Book of Doom is the dark Belatra book slot and the lowest declared RTP in this section: 92.61% at high volatility. That is exactly why the figures are worth checking first. Check the live RTP and win chance from IPU.BET data, then pick an operator from the vetted rating.
Provider RTP
92.61%
declared
Volatility
High
payout pattern
Online RTP
93.11%
actual, last 24h
Win chance
High
per IPU.BET data
About the game
A dark twist on the book formula: the tome is both scatter and wild and three of them open the free spins. One symbol is drawn before the round and expands across the reel every time it lands.
Where to play for real money with IPU.BET protection and cashback
Parimatch
Sign up at Parimatch, grab your 100% deposit bonus and dive into the best slots and live casino!
SpinBetter
150 FS in the Fiesta Clusters slot + 200% casino bonus (up to €1,500) or 275% sports bonus (up to €500).
YoHo Slot
Your pirate treasure is waiting! Register at YohoSlot and start collecting your winnings!
ColdBet
Sign up at Cold.bet and claim the package with +150 FS on your first 4 deposits!
1xBet
Sign up and receive up to €1,500 + 150 FS on your first 4 deposits!
Vivajack
Sign up at Vivajack and claim up to €2,500 + 200 FS right now! 