Embark on a journey to master monster synthesis in Dragon Quest Monsters: The Dark Prince. This comprehensive guide provides everything you need to know about monster synthesis, from basic calculations to advanced techniques and the best monsters to create. Whether you’re a newcomer or a seasoned player, this Dragon Quest Monsters Dark Prince Synthesis Guide will help you breed the ultimate monster team.
Synthesis Calculators
Unsure of the perfect synthesis combination? Utilize our Dragon Quest Monsters: The Dark Prince Synthesis Calculator to discover how to create any monster. If you’re seeking inspiration, explore our list of Best Monsters to Synthesize below or consult our Best Monsters guide for top-tier monster recommendations.
Reverse Synthesis Calculator
Our Reverse Synthesis Calculator is your tool to uncover the potential of any monster. By selecting a monster, you can see all possible synthesis outcomes using it as a parent. This is invaluable for determining if a newly scouted monster is worth keeping for future powerful syntheses.
Best Monsters to Synthesize
| Attention! |
Please note that some monster names and terms might differ slightly from the official English localization. We are continuously working to ensure accuracy. Feel free to point out any discrepancies in the comments! |
| Best Starting Monsters |
| Raptile |
| Mandrake Major |
| Best Intermediate Monsters |
| Archdemon |
| Best Advanced Monsters |
| Belial |
| Best Scouting Monsters |
| Gem Slime |
Synthesis is a crucial mechanic in Dragon Quest Monsters: The Dark Prince, allowing you to create stronger monsters. We highly recommend utilizing synthesis throughout your adventure, especially when tackling challenging bosses. Certain monsters excel not only in combat but also at scouting, making them invaluable for expanding your monster synthesis options.
Top Early Game Synthesis Monsters
| Monster |
Explanation |
| Raptile |
Rating: ★★★★★ Synthesis Method: Dragon family x Material family. Raptile is an excellent early game monster due to its ability to attack twice per turn. It’s synthesizable right from the start of your journey, giving you a significant power boost. |
| Cannonbrawler |
Rating: ★★★★★ Synthesis Method: Demon family x Material family. Cannonbrawler is a magical powerhouse capable of learning potent spells early on. Furthermore, it can be synthesized into the useful Hopper Trooper. |
| Hunter Mech |
Rating: ★★★★★ Synthesis Method: Restless Armor x Material family. Hunter Mech boasts two attacks per round and possesses strong Swordsmanship skills. It’s also a stepping stone to creating the formidable Killing Machine. |
| Dessert Demon |
Rating: ★★★★★ Synthesis Method: Chocolate Golem x Imp. Dessert Demon is a magical attacker who can learn the powerful Kaboomle spell immediately. It can be further synthesized into an Archdemon, a strong mid-game monster. |
| Mandrake Major |
Rating: ★★★★☆ Synthesis Method: Dragon family x Demon family. Mandrake Major is easily synthesized from Raptile and is straightforward to rank up to D-Rank. |
| Axesaurus |
Rating: ★★★☆☆ Synthesis Method: Dragon family x Demon family. Axesaurus provides high physical damage and is also easily raised to D-Rank. |
| Warhog |
Rating: ★★★☆☆ Synthesis Method: Raptile x Restless Armor or Mandrake Major x Beast family. Warhog is another monster that is simple to increase to D-Rank, making it a solid early game choice. |
Top Mid-Game Synthesis Monsters
| Monster |
Explanation |
| Archdemon |
Rating: ★★★★★ Synthesis Method: Dessert Demon x Grim Keeper. Archdemon excels with a combination of Bang skills and the Bangmeister trait. Its Crafty Banger ability is effective against Metal Slimes, and it boasts impressive overall stats for mid-game dominance. |
| Killing Machine |
Rating: ★★★★☆ Synthesis Method: Hunter Mech x Skeleton Swordsman. Killing Machine possesses the excellent Tactical Trooper trait and the top-tier Duelist talent. It’s also crucial for synthesizing the Overkilling Machine, a late-game powerhouse. |
| Flutter Slime |
Rating: ★★★★☆ Synthesis Method: Slime family x Nature family. Flutter Slime is a remarkable healer thanks to its Health Professional trait and unique talent that grants full-party healing. However, it doesn’t synthesize into any particularly notable monsters. |
| Shogum |
Rating: ★★★☆☆ Synthesis Method: Beshemoth Slime x Metal Slime Knight. Shogum inherits strong skills from Metal Slime Knight and is an easily obtainable B-Rank monster through synthesis. It serves as a component for synthesizing Slionheart. |
Top Endgame Synthesis Monsters
| Monster |
Explanation |
| Belial |
Rating: ★★★★☆ Synthesis Method: Archdemon x Buffalogre. Belial combines Ultra Crafty Banger and Bang skills effectively. Its Health Professional trait makes it a capable healer as well. Furthermore, it’s required for 4-monster synthesis into Hargon. |
| Overkilling Machine |
Rating: ★★★★★ Synthesis Method: Killing Machine x Jugular Joker. Overkilling Machine is an elite physical attacker with the Maniac unique talent. It can also be synthesized into the Uberkilling Machine, reaching the pinnacle of physical offense. |
| Slionheart |
Rating: ★★★★★ Synthesis Method: Shogum x Superior Slime. Slionheart is a versatile monster with the Health Professional trait, making it a strong healer. Depending on its skills, it can also function as a backup attacker. It’s used to synthesize Greygnarl or Emperor Slime. |
| King Cureslime |
Rating: ★★★☆☆ Synthesis Method: Cureslime x Crème Caraslime. King Cureslime is another excellent healer thanks to the Health Professional trait and is easy to synthesize. However, it doesn’t synthesize into further monsters. |
Top Scouting Synthesis Monsters
| Monster |
Explanation |
| Gem Slime 【Wisdom】 |
Rating: ★★★★★ Synthesis Method: Metal King Slime × Balhib. Gem Slime boasts the highest Wisdom stat in the game and exceptional defenses, making it ideal for magic-based scouting strategies. |
| Cetacean Sorcerer 【Wisdom】 |
Rating: ★★★★☆ Synthesis Method: Baleen Mage × King Slick Slime. Cetacean Sorcerer acquires the useful Rando-Ping Trait at level 40 and has top-tier Wisdom and growth speed, perfect for scouting. |
| Overkilling Machine 【Attack】 |
Rating: ★★★★☆ Synthesis Method: Killing Machine x Jugular Joker. Overkilling Machine is not only a story mode powerhouse but also a top-class attacker, useful for quickly weakening monsters for scouting. |
| Night Clubber 【Attack】 |
Rating: ★★★★☆ Synthesis Method: Gigantes x Pickayune. Night Clubber is another top-tier attacker with the Big Bully trait, making it highly effective at reducing enemy HP for successful scouting. |
Best Monsters to Use for Synthesis
Efficient synthesis relies not only on knowing what monsters to create but also which monsters are best used as materials. Below are lists of excellent monsters to utilize in your synthesis recipes across different game stages.
Top Early Game Synthesis Material Monsters
| G Rank |
| Dracky |
| Vegandragora |
| Skeleton |
| Airbagon |
| F Rank |
| Foo Dog |
Top Early-to-Mid Game Synthesis Material Monsters
| G Rank |
| Eggsoskeleton |
| Sacksquatch |
| F Rank |
| Slime Stack |
| Slime Knight |
| Dessert Demon |
Top Mid-Game Synthesis Material Monsters
| E Rank |
| Behemoth Slime |
| Skeleton Soldier |
| D Rank |
| Beshemoth Slime |
| C Rank |
| Grim Keeper |
| Fright Knight |
Top Endgame Synthesis Material Monsters
| B Rank |
| Jugular Joker |
| Bone Baron |
Top Post-Game Synthesis Material Monsters
| A Rank |
| Lieutenant Goresby-Purrvis |
| Phoenix |
Best Synthesis Combinations for Rank Increase
Rank-based synthesis is a straightforward method to obtain higher-rank monsters. By combining specific rank monsters, you can reliably climb the ranks. Here are some optimal combinations:
| Parent 1 |
Parent 2 |
Result |
| F→E |
Armoured Wartoise |
Beast Family |
| – |
Wyrtle |
Demon Family |
| E→D |
Beleth |
Restless Armour |
| D→C |
Hypothermion |
Slime |
| C→B |
Shadow Slime |
Frolicker |
Using these combinations, you can efficiently elevate your monsters’ ranks to acquire powerful high-rank creatures.
Unlocking Monster Synthesis
Conquer Mausoleum’s G-Rank
To unlock the monster synthesis feature, you must first complete the G-Rank challenge within the Mausoleum. Upon victory, return to Rosehill Tower and speak to the designated NPC who will then grant you access to the monster synthesis system.
Endor Arena Guide and How to Win the Arena
Performing Monster Synthesis: A Step-by-Step Guide
| How to Synthesize Monsters |
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
Monster Synthesis Location
Rosehill Tower Basement
The designated synthesis location is within the basement of Rosehill Tower. Follow these steps to reach it:
| Where to Synthesize Monsters |
| 1 |
| 2 |
| 3 |
| 4 |
Types of Synthesis and Methods
Dragon Quest Monsters: The Dark Prince offers various synthesis methods, each with unique characteristics.
Systematic Fusion
Systematic Fusion involves combining monsters of appropriate families and ranks. If the Family and Rank of both parents are the same, the synthesis outcome remains consistent regardless of the specific monsters used. This method simplifies synthesis as you don’t need specific monster pairings. However, it cannot be used to create offspring of a higher rank than the parents.
Same Rank Combinations Example
| Parent A |
Parent B |
Monster Offspring |
| E Rank Slime Family |
× |
E Rank Dragon Family |
Combining an E-rank monster from the Slime Family with an E-Rank monster from the Dragon Family will always yield the same E-rank offspring candidates: Drake Slime and Raptile.
Different Rank Combinations Example
| Parent A |
Parent B |
Monster Offspring |
| E Rank Slime Family |
× |
C Rank Dragon Family |
Combining an E-Rank monster from the Slime Family with a C-Rank monster from the Dragon family will offer offspring candidates of both ranks: E-rank (Drake Slime, Raptile) and C-rank (Noble Gasbagon, Shadow Slime).
A-Rank and Higher Monster Synthesis Limitations
| Parent A |
Parent B |
Monster Offspring |
| A Rank Slime Family |
× |
A Rank Dragon Family |
It’s important to note that B-Rank is the highest rank obtainable through standard Monster Synthesis. Even when using A-Rank parents, you will not synthesize an A-rank monster using systematic fusion.
Species Fusion
Species Fusion, also known as Specific Synthesis, involves combining particular monster species to create a desired offspring. Monsters with a gold frame in the synthesis menu indicate species-specific fusion recipes. This method is essential for obtaining specific powerful monsters.
►Complete Monster List and Synthesis Recipes
Family Combination Examples
| Parent A |
Parent B |
Monster Offspring |
| Hunter Mech |
× |
Restless Armour |
| Killing Machine |
× |
Knight Errant |
| Overkilling Machine |
× |
A3G15 |
The offspring’s family is determined by both parent monsters, with no set combination patterns beyond specific pairings.
Family and Rank Combination Examples
| Parent A |
Parent B |
Monster Offspring |
| Drakularge F Rank |
× |
Jowler C Rank |
| B Rank Slime Family |
× |
E Rank Any Family |
Certain monsters can be synthesized using either Family or Rank combinations. While basic stats remain consistent, Family combinations often offer an advantage in producing higher-ranked monsters.
Family Strain Combination Examples
| Parent A |
Parent B |
Monster Offspring |
| Rockbomb |
× |
G Rank Dragon Family |
| Rockbomb |
× |
G Rank Any Family |
| Rockbomb |
× |
B Rank Undead Family |
Family Strain combinations involve pairing a specific monster family with any monster family. The rank of the second parent is irrelevant, making it a more flexible form of systematic synthesis.
4-Parent Combination
4-Parent Synthesis is a unique and advanced method requiring four specific grandparent monsters, but not necessarily specific parent monsters. These combinations produce rare and powerful monsters, often requiring significant effort to achieve.
4-Parent Combination Examples
| Grandparents |
Parents |
4-Parent Monster Offspring |
| Firn Fiend / Coralossus / Stone Golem |
→ |
Any |
Once the four grandparent monsters are obtained, any parent combinations derived from them will result in the same 4-Parent Monster offspring.
Dragon Quest Monsters: The Dark Prince – Further Guides
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