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Monster Rancher 2 is a cult classic known for its incredible depth and obscure mechanics. Beneath the cute surface of raising Mocchi and Suezo lies a brutal simulation where Stress kills your monster and Errantry can end a career.
Whether you are playing the original PS1 version or the new DX Remaster (Steam/Switch/iOS), relying on guesswork will lead to an early grave for your partner. Use our Monster Rancher 2 Utilities to calculate combination stats, optimize training schedules, and predict battle outcomes.
📀 Shrine & Ranch Tools
Combination Calculator
Visit Dadge. Predict the exact offspring stats, % compatibility chance, and inherited techniques when combining two monsters.
Combine Monsters →Errantry Tech Planner
Don't waste 2000G and 4 weeks of life. Calculate the success rate of learning a new Tech based on Intelligence and Loyalty.
Check Success →Battle Damage Calc
Analyze the matchup. Calculate Hit Chance % and Damage based on your monster's Guts, Power, and the opponent's Defense.
Predict Battle →The Secret Math of Dadge's Shrine
Combining monsters is not random. It follows a strict set of rules based on the Stat Order of the parents. To get a powerful baby, the stats of the parents must align in a specific way.
- Stat Alignment: If Parent A has high Power/Skill and Parent B has high Power/Skill, the baby will have better starting stats.
- Hidden Compatibility: Some breeds just don't mix. Our calculator checks the hidden "Compatibility Index" to tell you if the combination is "Good" (High % chance of rare breed) or "Bad" (High chance of default breed).
- Tech Inheritance: Monsters can inherit attacks from parents, but only if the compatibility is high enough.
Errantry: The Silent Killer
Sending your monster on Errantry (Training) is necessary to learn new moves, but it is the most dangerous activity in the game. It consumes a massive chunk of your monster's Lifespan Index.
If you send a monster on Errantry while they are Fatigued or Stressed, you can accidentally shave years off their life. Furthermore, if they fail to learn the move, you wasted that lifespan for nothing. Our Errantry Calculator ensures you only send them when the success rate is mathematically in your favor.
Frequently Asked Questions
Yes. The DX Remaster kept the underlying math (Stat gains, Errantry formulas, Battle logic) almost exactly the same as the PS1 original. The only major difference is the CD database.
Guts is your mana, but it is also your defense. As your Guts bar fills up (approaching 99), your monster takes less damage and has a higher chance to hit. Firing off attacks blindly and dropping to 0 Guts leaves you extremely vulnerable.
This is an advanced raising strategy using items like "Oily Oil" and "Mint Leaf" to reduce Stress/Fatigue without sleeping. This allows you to train every single week without resting, maximizing stats before the monster dies.
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