Rise of Merlin Slot RTP Review (2026)
Last updated Jun 2026

Rise of Merlin Slot review
Play'n GO's Rise of Merlin transports players to a world of medieval magic, where the legendary wizard Merlin takes center stage on this high-volatility slot. Released on June 20, 2019, the game features 5 reels, 10 paylines, and a maximum win potential of 5,000x the stake. Its standout feature is the retriggerable free spins round with expanding symbols, where landing additional scatters can add new expanding symbols to the mix. Our independent RTP verification reveals significant variations across casinos, with Rollino offering the optimal 96.58% RTP while others like LeoVegas and MetaSpins implement a 94.51% version. For players seeking the best mathematical edge, consulting our Online slots list and their RTP is essential before choosing where to play.
Impact of RTP Variation
RTP vs House Edge: What Goes Where
Example: for every €10,000 bet.
Rise of Merlin RTP: Breaking Down the Numbers
Our casino scans identify these Rise of Merlin RTP implementations:
| Casino | RTP | House Edge | Player Advantage Rating |
|---|---|---|---|
| Rollino | 96.58% | 3.42% | ★★★★★ (Optimal) |
| LeoVegas | 94.51% | 5.49% | ★★★☆☆ |
| MetaSpins | 94.51% | 5.49% | ★★★☆☆ |
The 2.07% RTP gap creates substantial long-term differences:
At 96.58% RTP: €10,000 wagered = €3,420 expected loss
At 94.51% RTP: €10,000 wagered = €5,490 expected loss (€2,070 additional loss)
Bonus buy calculations (where available) show proportional RTP reductions, making the base game preferable for players targeting maximum value. The expanding symbol mechanic in free spins maintains consistent hit frequency across RTP versions, though higher RTP settings improve the expected return from these features.
Key Features of Rise of Merlin
This Arthurian-themed slot showcases Merlin as the premium symbol (500x for 5-of-a-kind), accompanied by mystical dragons and owls. The crystal ball serves as both wild and scatter, triggering 8 free spins when 3+ land. Unlike standard "Book of" slots, retriggers introduce additional expanding symbols - up to 9 total - creating cascading win potential during the feature. With bets ranging from €0.01-€100 and no payline reduction option, the game maintains straightforward mechanics while delivering intense volatility. External reviews highlight the expanding symbol retrigger system as a standout innovation compared to similar titles, though the core experience remains familiar to fans of high-variance magical slots. For players seeking comparable mechanics with different themes, our Best Megaways slots list offers alternative high-potential games.
Why Rise of Merlin RTP Varies Across Different Casinos
Casino-Specific Adjustments to RTP
Our scanning reveals that Rise of Merlin appears with two distinct RTP settings across operators: 96.58% (Player Advantage Rating: ★★★★★) and 94.51% (★★★☆☆). These variations stem from Play'n GO's practice of providing multiple certified RTP configurations, allowing casinos to select versions that align with their market positioning and operational requirements. Regional factors like tax structures and player expectations further influence these choices. While we've identified these two prevalent configurations through continuous monitoring, additional variations may exist in specific jurisdictions.
The Role of Game Versions and Updates
Play'n GO maintains version control for Rise of Merlin, ensuring all distributed copies meet regulatory standards regardless of RTP selection. Our system tracks these implementations in real-time, noting that the 96.58% version delivers superior player value without altering gameplay mechanics or bonus frequency. The free spins feature's retrigger potential remains identical across RTP variants, though the long-term return differs substantially. Players can reference our Casinos with the best payouts to locate operators offering the most favorable configurations.
Conclusion: Making an Informed Decision and Where to Play Rise of Merlin
Rise of Merlin delivers compelling magical gameplay with its retriggerable free spins and expanding symbols, though players must prioritize casinos offering the 96.58% RTP version (like Rollino) for optimal value. The ★★★★★ Player Advantage Rating at this configuration significantly outperforms the 94.51% alternatives, particularly given the game's high volatility. While bonus features remain identical across versions, the long-term mathematical advantage clearly favors higher RTP settings. Always gamble responsibly and seek support at Help with Gambling Addiction if needed.
Rise of Merlin RTP FAQs
The retrigger mechanic adds expanding symbols without altering the base RTP percentage. However, more expanding symbols increase win frequency during the feature, making higher RTP versions more valuable when these triggers occur.
Play'n GO doesn't publish separate RTPs for features, but the free spins' expanding symbols (especially when retriggered) typically contribute disproportionately to overall returns due to their high-paying potential.
The high volatility means both RTP versions experience long dry spells between wins. The 96.58% configuration provides better compensation during these stretches, with 38% lower expected loss than the 94.51% version.
Some casinos may offer bonus buys at reduced RTP percentages. Always verify the specific terms, as these purchases typically carry higher house edges than organic feature triggers.
Prioritize casinos offering the 96.58% RTP version, maintain disciplined bankroll management for the high volatility, and avoid bonus buys unless the RTP remains uncompromised.
Written by The FindMyRTP Team · Published · Last updated
Game Features
- Released
Jun 20, 2019
- Game Studio
Play N Go
- Paylines
10
- Reels
5
- Max Win
5000X
- Min Bet
0.01
- Max Bet
100
- Volatility
HIGH
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