1. What Is the Bonus Game in The Sword and The Grail?
The Sword and The Grail is a 5-reel video slot from Play'n GO with 20 fixed paylines. The game's theme is based on the legend of King Arthur, Excalibur, and the Holy Grail.
The game cycle is divided into two modes:
- Base game - regular spins in which winning combinations are formed.
- Bonus round - a series of free spins with a progressive multiplier that increases as you advance through the levels.
The bonus round is activated only by Sword symbols and continues until the player reaches the fourth level or completes the final stage.
1.1. The Role of Scatter and Wild Symbols
The slot features two special symbols:
- Sword - the Scatter symbol that launches the bonus round. It can appear on any of the 5 reels.
- Grail - the Wild symbol with a multiplier feature. It substitutes for all symbols except Sword and adds a multiplier to the win.
At least 3 swords on any reel positions in a single spin are required to trigger the free spins.
2. How to Activate the Bonus Round: Trigger Conditions
The trigger mechanic depends on the number of swords collected in a single spin. The more Scatters that appear, the higher the collection's starting position and the faster the player reaches the final stage.
| Number of Scatters | Sword Collection Start | Starting Free Spins |
|---|---|---|
| 3 swords | 3 swords | 5 free spins |
| 4 swords | 4 swords | 5 free spins |
| 5 swords | 5 swords | 5 free spins |
In all three cases, the player receives the same 5 free spins at the first level. The only difference is that collecting more swords accelerates progression to the next stages.
2.1. Common Triggering Errors
The bonus is not activated in several situations:
- Swords appeared, but the spin was manually interrupted using the Stop button.
- Auto Play stopped because the balance fell below the bet level.
- The player switched to Fast Play mode, and some symbols were not counted in time.
If a Scatter appeared but the free spins did not start, check the balance status and the active spin mode in the bottom interface panel.
3. Bonus Round Structure: 4 Sword Collection Levels
The bonus game consists of four consecutive stages. Advancement between levels depends on the total number of swords collected since the round began. Swords are not carried over between separate bonus rounds - the collection resets with each new trigger.
3.1. Level 1 - Starting Level
Round start: 5 free spins. Multiplier for all Grail symbols: x2. Swords continue to appear and be added to the collection.
3.2. Level 2 - Progressing Through Swords
Condition for advancement: collect 6 swords, including the starting swords. Advancement reward: +5 free spins. Grail multiplier: x5.
3.3. Level 3 - Peak Stage
Condition for advancement: collect 11 swords in total across the first and second levels. Reward: +5 free spins. Grail multiplier: x10.
3.4. Level 4 - x100 Multiplier
Condition for advancement: collect 18 swords in total across the previous levels. Reward: +5 free spins. Grail multiplier: x100. At this stage, Sword symbols no longer appear - the collection is complete.
Each successive level starts automatically after the free spins from the previous level are completed.
4. How to Get the x100 Multiplier: Mathematics and Tactics
To reach the fourth level with the x100 multiplier, you need to collect 18 swords across all previous stages. This is the most challenging part of the bonus round, as swords appear randomly and cannot be controlled.
4.1. Progressive Multiplier: How It Increases
The multiplier is tied to the level rather than the bet. It is fixed at each stage:
- Level 1: x2
- Level 2: x5
- Level 3: x10
- Level 4: x100
The win amount is calculated as (line value) × (Grail multiplier) if the Wild symbol participates in the combination.
4.2. Betting Strategy for Maximum Potential
The bet size does not affect the chance of swords appearing or the multiplier. However, a higher bet increases the absolute win amount for the same combination.
Players with a limited bankroll should bear in mind that reaching x100 requires at least 18 swords and may take 20 or more spins within the bonus. This makes the slot highly volatile - most of its potential is concentrated in the bonus game rather than the base spins.
5. Comparison with Similar Slots
| Slot | Provider | Bonus Multiplier | Collection for Progression |
|---|---|---|---|
| The Sword and The Grail | Play'n GO | up to x100 | Yes, 4 levels |
| Merlin: Journey of Flame | Play'n GO | up to x10 | No |
| Legacy of Dead | Play'n GO | fixed | No |
The main difference between The Sword and The Grail and other slots is its cumulative sword collection system and level-based multiplier increase, while most Play'n GO slots use a fixed multiplier during free spins.
6. Where to Test the Bonus Round Risk-Free
The slot's demo mode is available on most aggregator websites and licensed operators. The demo uses a virtual balance, while the bonus mechanics are identical to those in the real-money game. RTP and symbol frequency in the demo version match those in the paid version.
The only difference between the demo and real-money play is psychological: real bets increase the emotional impact of losses and intensify excitement when large wins occur in the bonus game.
Olivia Hayes
I'm Olivia Hayes, an expert in online slot reviews with a focus on game mechanics, bonus features, and real-money play. I specialize in breaking down complex details like RTP and volatility into clear, actionable insights for players. My goal is to help readers make informed decisions and get the most out of their gaming experience, including slots like The Sword and The Grail.