Fisher King Slot Review
A mossy stone hall lit by two brass braziers, a skull in the shadows, moss creeping up a gold Celtic-knotted frame: this is a game that takes the Grail legend seriously. That’s rarer than it sounds. Plenty of Arthurian slots borrow the iconography and move on, but Fisher King builds its entire payout structure on the legend’s central wound, and it’s the rare slot where the theme isn’t decoration but the reason the game pays at all.
It runs on a 5×3 grid with 20 paylines, at mid-to-high volatility, and its RTP of 98.02% is among the more generous you’ll find anywhere. Bets run from 0.20 to 100 per spin. Sister titles like Crystal Skull and Book Of Vlad show Endorphina‘s taste for dark, painterly slots, and this one leans furthest into legend.
Symbols and Paylines
Wins are for combinations of a kind, with matching symbols on enabled paylines and adjacent reels from the leftmost. Scatter symbols count in any position. On each payline only the highest combination is paid, and wins across different paylines are added together.
The wild is a crown, substituting for everything except the scatter, and it appears stacked during Free Games. That single detail quietly changes the bonus, as a stacked wild across the reels does real work when hearts are waiting to be filled.
The paytable, shown as multiples of the total bet:
- King (purple crown) – 50x, 12.5x, 5x for five, four, three
- Knight (green, sword) – 30x, 10x, 2.5x
- Woman (red hair) – 20x, 7.5x, 1.25x
- A – 17.5x, 7.5x, 1.25x
- K, Q – 6.25x, 2.5x, 0.25x
- J, 10 – 5x, 1.25x, 0.25x
It’s a conventional ladder, top-heavy towards the King and flat at the royals, and the base game pays accordingly modestly. Five Kings return 50x the total bet, which is a decent hit but not a life-changing one, and everything below the Woman pays in fractions. The real prize structure sits under the reels, not on them.
Free Games with the Holy Grail Feature
The legend goes that the Fisher King lay wounded in his castle until the Holy Grail’s lifeblood healed him, and the feature takes that literally. Three or more scatter symbols trigger the Free Games: three scatters award ten spins, four award fifteen, and five award twenty.
During the round, a broken heart sits beneath each of the five reels. When the Holy Grail lands on the reels, the heart under the relevant reel is replenished with lifeblood, and two drops are enough for a full recovery. Once a heart is full it’s replaced with a fresh broken one, waiting to be filled again.
The reward depends on how many hearts are replenished simultaneously, on the same spin, and the ladder is steep:
- 1 heart – 3x the total bet
- 2 hearts – 10x the total bet
- 3 hearts – 50x the total bet
- 4 hearts – 500x the total bet
- 5 hearts – 2000x the total bet
Partially filled hearts don’t pay anything, but they’re not lost: hearts carry over to the next Free Games series played with the same bet and paylines, so the build continues across rounds. Heart wins and line wins are added together.
Free Games run at the same bets and lines as the triggering spin, and the feature can be won again from within itself. Add the stacked wilds and the carry-over, and the bonus is less a single round than an ongoing project. The 2000x five-heart reward is the game’s ceiling, and reaching it means filling every heart on the same spin.
Risk Game
After any win you can gamble it. Four cards lie face down; pick one, and if it beats the Dealer’s card your win doubles and you can go again, up to ten attempts in total. If the Dealer wins any round you lose the lot and the game ends. A card of equal value is a draw: your winnings stand and you take another attempt.
The Joker beats everything, and the Dealer can never draw one. Cards can reappear from round to round, and the deal isn’t equally distributed, so the odds move with every round. Your chances depend entirely on what the Dealer is showing:
- Dealer shows 2 – 162% return
- Dealer shows 3 – 121%
- Dealer shows 4 – 113%
- Dealer shows 5 – 101%
- Dealer shows 6, 7 or 8 – 100%
- Dealer shows 9 – 92%
- Dealer shows 10 – 78%
- Dealer shows J – 69%
- Dealer shows Q – 66%
- Dealer shows K – 64%
- Dealer shows A – 42%
Against low cards the gamble is genuinely favourable; against a face card it’s a coin toss at best. TAKE WIN banks your money at any point, and knowing when to press it is the whole skill. The average return across rounds is 84%, and that figure sits outside the game’s headline RTP entirely.
Bonus Pop Buy Feature
The BONUS POP button lets you buy into the Free Games at any time, in a package of 10, 15 or 20 spins of your choosing. The round starts with one main-game spin that lands enough scatters to trigger it naturally, and from there it plays exactly as if chance had done the work.
Two rules matter. Winnings from bought Free Games can’t be gambled in the Risk Game, and the overall RTP with the buy switched on runs at 95.75% rather than 98.02%. The feature may not be available at every operator.
Our Honest Verdict
Overall Rating: 7.8/10
Playing Fisher King is a vigil. You sit in the dark of that stone hall, drip by drip, watching hearts fill and mostly not finishing them, and the reason to choose it over a dozen flashier games is that the waiting itself carries progress: nothing you build in the bonus is ever wiped by the round ending. The Grail legend was always about patience rewarded, and the game honours that to a fault.
The carry-over is the smartest thing here. Hearts persisting between Free Games series turns a scatter bonus into an accumulation game, and it means even a poor round leaves you closer than you were. The Risk Game adds real decisions, too – favourable against a deuce, suicidal against an Ace.
The weakness is the flatness of everything outside the bonus. The base paytable tops out at 50x, and most spins return fractions of the stake, so long stretches pass with little to show. Players who enjoy a long build and a gamble with genuine choices in it will find the Grail worth the vigil; anyone after quick, loud wins will find the wound heals far too slowly.
Fisher King FAQs
-
What is the RTP of Fisher King?
Fisher King runs at 98.02% RTP in its default configuration, one of the higher figures you’ll find. With the Bonus Pop buy feature switched on, the RTP is 95.75%, and the Risk Game’s 84% average return sits outside both figures. -
Is Fisher King high volatility?
Volatility is rated mid to high. Wins in the base game tend to be small, with the bigger money concentrated in the heart ladder during Free Games. -
How many paylines does Fisher King have?
Fisher King is a 5-reel, 3-row game with 20 paylines. Only the highest win on each payline is paid, and wins on different paylines are added together. -
What is the minimum and maximum bet on Fisher King?
Bets run from 0.20 to 100 per spin, so the game accommodates both small bankrolls and high rollers. -
How do you trigger the Free Games in Fisher King?
Three or more scatter symbols trigger the Free Games with the Holy Grail Feature. Three scatters award 10 free games, four award 15, and five award 20. The feature can also be won again during the round itself. -
What happens to partially filled hearts in Fisher King?
Hearts that aren’t fully replenished don’t pay anything, but they carry over to the next Free Games series played with the same bet and number of enabled paylines, so you can continue filling them across rounds. -
Can you buy the bonus on Fisher King?
Yes. The BONUS POP button lets you buy a package of 10, 15 or 20 Free Games at any time. Bought rounds play exactly like triggered ones, but their winnings can’t be gambled in the Risk Game, the RTP drops to 95.75%, and the feature may not be available at every operator. -
What is the maximum win in Fisher King?
The biggest prize the game offers is the heart ladder: five hearts replenished on the same spin during Free Games pays 2000x the total bet. Any line wins from that spin are paid on top of the heart reward. -
Who makes Fisher King?
Fisher King is made by Endorphina, a studio with a taste for dark, painterly slots such as Crystal Skull and Book Of Vlad.
