Hacksaw Gaming's dark fantasy warrior slot — swear the oath, trigger the bonus, and let stacking multipliers do the rest.
18+ | T&Cs Apply | Gamble Responsibly
Mortal Oath is Hacksaw at their best — a dark, immersive theme backed by a multiplier mechanic with genuine depth. The 10,000x ceiling is well within reach during a strong bonus, and the 96.38% RTP sits above average for the volatility tier.
18+ | T&Cs Apply | Gamble Responsibly
18+ | T&Cs Apply | Gamble Responsibly
Mortal Oath is Hacksaw Gaming's foray into dark fantasy — a slot that trades their usual playful aesthetics for something heavier and more atmospheric. Warriors bound by an ancient oath battle across the reels in a game built around escalating tension and a multiplier mechanic that rewards patience and bankroll.
Mortal Oath — base game.
Running on Hacksaw's signature scatter-pays system, every symbol on the grid can contribute to wins regardless of position. Combined with a cascading respin engine and a free spins round where multipliers stack without resetting, Mortal Oath delivers the kind of explosive ceiling that the developer's player base expects. High volatility means the base game is a grind, but the bonus is where this slot truly comes alive.
Wins pay anywhere on the grid — no fixed paylines. Matching symbols anywhere across the reels form winning combinations for maximum flexibility.
Winning symbols are removed and replaced from above, creating chains of consecutive wins within a single spin and building multiplier momentum.
A persistent multiplier that grows with each cascade during the bonus round — it does not reset between spins, compounding throughout the entire feature.
Direct access to the free spins round available at a fixed multiplier of your stake — skip the base game and go straight to the highest variance action.
The free spins bonus is triggered by landing scatter symbols across the reels. Once inside, the Oath Multiplier activates — starting at 1x and climbing with every cascade that occurs during a spin. Critically, this multiplier persists across the entire bonus session, meaning a strong opening can set up every subsequent spin with an elevated base.
With the multiplier compounding and scatter pays removing payline restrictions, the conditions for a massive hit are genuinely achievable. A run of consecutive cascade chains in the later spins of the bonus, with the multiplier already elevated, is where Mortal Oath can push toward its 10,000x ceiling. The Bonus Buy provides the most efficient access for players targeting the feature specifically.
Mortal Oath — bonus round.
Mortal Oath earns a 8.7/10 from SlotArk — rated Excellent. Mortal Oath is Hacksaw at their best — a dark, immersive theme backed by a multiplier mechanic with genuine depth. The 10,000x ceiling is well within reach during a strong bonus, and the 96.38% RTP sits above average for the volatility tier.
The Mortal Oath max win is 10,000x your stake — $10000 on a $1 bet. The maximum is reached when the slot’s peak bonus features align at their best.
The free spins bonus is triggered by landing scatter symbols across the reels. Once inside, the Oath Multiplier activates — starting at 1x and climbing with every cascade that occurs during a spin. Critically, this multiplier persists across the entire bonus session, meaning a strong opening can set up every subsequent spin with an elevated base.
Mortal Oath has a base RTP of 96.38%. Some operators run reduced RTP variants — always check the game information panel at your casino before playing to confirm the RTP on offer.
Yes — the free demo above loads instantly in your browser with no registration or deposit required. Click Play Free Demo to start.
Yes, Mortal Oath is fully optimised for mobile browsers on iOS and Android. No app download needed.
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