Book of Abyss: Queen of Demons

Book of Abyss: Queen of Demons is a darkly enchanting slot where expanding symbols, multipliers up to 100×, and a gamble-driven bonus round collide. With a max win of 150,000× and a demon queen who rewards risk, this title delivers feature-first gameplay built for players who want volatility, control, and reels that conjure chaos.

Book of Abyss Theme & Graphics

Set in a shadowy realm ruled by Abyss, the demon queen, this slot blends gothic elegance with infernal charm. The reels are framed by glowing runes and the dreaded Book of Abyss, which reveals expanding symbols and multipliers. The atmosphere is playful yet ominous, with laughter echoing in the dark and fortune waiting in the flames.

How to Play Book of Abyss

Book of Abyss is played on a 5×3 grid with 10 fixed paylines. The game blends base game volatility with a Free Spins feature that includes expanding symbols, multipliers, and retrigger potential.

Bonus Features

Wild Symbol

• Substitutes for all symbols except the Expanding Symbol
• Landing 3, 4, or 5 Wilds triggers 10 Free Spins

Free Spins Feature

• Begins with selection of:
• One Expanding Symbol
• One Multiplier (x1 to x100)
• Expanding Symbols pay across all 10 paylines, even when non-adjacent
• Multiplier applies to Expanding Symbol payouts
• 2, 3, 4, or 5 Wilds during Free Spins award:
• 3, 10, 15, or 20 additional spins
• A new multiplier (x2 to x100) added to current total

Free Spins Gamble Feature

• Before Free Spins begin, players may gamble:
• For a better Expanding Symbol
• For a higher multiplier
• For both
• Three gamble wheels available
• Players can gamble until highest symbol and multiplier are awarded
• Unsuccessful gamble returns to base game

Buy Bonus Options

• Buy Free Spins with:
• 3 Wilds for 100× bet (RTP: 96.41%)
• 4 Wilds for 300× bet (RTP: 96.41%)
• 5 Wilds for 1250× bet (RTP: 96.42%)
• Gamble feature available with each option

Hot Spin Feature

• Adds 300% to base bet
• Increases chance of triggering Free Spins
• More Wilds appear on reels
• RTP with Hot Spin: 96.46%
• Deactivated when Buy Bonus is selected

Strategic Notes

• Gamble Timing: Best value when chasing high multipliers and top-tier symbols
• Retrigger Synergy: Stacking multipliers can dramatically boost payouts
• Hot Spin Efficiency: Ideal for players who prefer organic bonus triggers

Book of Abyss Betting, RTP & Max Win

According to Roobet CasinoBook Of Abyss offers the following to players:

• Reels & Rows: 5×3 grid
• Paylines: 10 fixed lines
• Volatility: Very High
• RTP: 96.09% (up to 96.46%)
• Hit Frequency: 26%
• Bonus Frequency: 1 in 209.57 spins
• Max Win: 150,000×
• Minimum Bet: $0.10
• Maximum Bet: $3.00
• Bonus Buy: Yes
• Mobile Support: Yes
• Theme: Gothic Fantasy, Expanding Symbols, Demon Queen

Book of Abyss Summary

Book of Abyss: Queen of Demons delivers a gothic-powered slot experience with expanding symbols, gamble-driven multipliers, and bonus-packed volatility. The Free Spins feature and retrigger mechanics create replayable tension, while the visuals add infernal charm. With feature-first pacing and demon-certified drama, Book of Abyss is built for players who want risk, rhythm, and reels that rule the dark.

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