None
Paralysis/Poison/Burn/Sleep/Freeze
None
Great Ball
Ultra Ball
Dark Ball (Night)
Jet Ball (Fast)
Origin Ball
Sticky Globle (Alpha)
No
Yes
Understanding Catch Rate in Legends Arceus
Catching Pokémon in Pokémon Legends: Arceus involves a more dynamic system than previous titles. While many factors remain, the game's engine calculates a "Catch Rate" that determines your probability of success. This calculator helps you understand how various factors influence that rate.
Factors Affecting Catch Rate:
Pokémon Level: Higher-level Pokémon are generally harder to catch.
Pokémon HP: A Pokémon with more remaining HP is harder to catch. Reducing HP significantly increases your chances.
Status Condition: Inflicting a status condition (Paralysis, Poison, Burn, Sleep, Freeze) on the wild Pokémon substantially increases the catch rate.
Base Catch Rate: Each Pokémon species has an inherent base catch rate, influencing its base difficulty to capture.
Ball Type Multiplier: Different Poké Balls have varying effectiveness. Great Balls and Ultra Balls offer better odds than standard Poké Balls. Special balls like the Dark Ball (at night) and Jet Ball (when thrown successfully from behind) provide significant boosts.
Item Bonus: Certain items can be used to increase catch rate. For example, using a Sticky Globule on an Alpha Pokémon greatly improves the odds.
Custom Modifier: This field allows for manual adjustments to account for very specific or unlisted bonuses/penalties that might not be covered by the standard options. A value of 1.0 means no additional modification.
Is Alpha Pokémon?: Catching Alpha Pokémon often presents a unique challenge, and this toggle applies a specific modifier to reflect that.
The calculator uses a simplified formula to estimate the catch rate. The actual in-game calculation may involve more nuanced checks and formulas.
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function calculateCatchRate() {
var pokemonLevel = parseFloat(document.getElementById("pokemonLevel").value);
var pokemonHP = parseFloat(document.getElementById("pokemonHP").value);
var statusCondition = parseInt(document.getElementById("statusCondition").value);
var catchRateBase = parseFloat(document.getElementById("catchRateBase").value);
var ballTypeMultiplier = parseFloat(document.getElementById("ballTypeMultiplier").value);
var itemBonus = parseFloat(document.getElementById("itemBonus").value);
var customModifier = parseFloat(document.getElementById("customModifier").value);
var isAlpha = parseInt(document.getElementById("isAlpha").value);
var resultElement = document.getElementById("result");
// Basic validation to ensure inputs are numbers
if (isNaN(pokemonLevel) || isNaN(pokemonHP) || isNaN(catchRateBase) || isNaN(ballTypeMultiplier) || isNaN(itemBonus) || isNaN(customModifier)) {
resultElement.innerText = "Please enter valid numbers for all fields.";
return;
}
// — Catch Rate Calculation Logic (Simplified) —
// This is a simplified representation of the catch rate calculation.
// The actual in-game formula can be more complex and might involve
// interactions not fully represented here.
// 1. Base modification from Pokémon's HP and Level
// This part is a placeholder as exact HP/Level scaling is complex.
// A common simplification is that lower HP and higher level reduce catch chance.
// For this calculator, we'll focus on the more directly applicable modifiers.
// 2. Status Condition Bonus
var statusBonus = 1.0;
if (statusCondition > 0) {
statusBonus = 2.5; // General bonus for status effects
}
// 3. Ball Type and Item Bonuses (These are often multiplied together or with other factors)
// Let's assume a simple multiplicative approach for demonstration.
var combinedBallAndItemBonus = ballTypeMultiplier * itemBonus;
// 4. Alpha Pokémon Modifier
var alphaModifier = 1.0;
if (isAlpha === 1) {
alphaModifier = 0.5; // Alpha Pokémon are generally harder to catch
}
// 5. Final Catch Rate Calculation (example formula structure)
// This formula is a conceptual blend and not necessarily the exact in-game one.
// The goal is to show how the inputs interact.
var effectiveCatchRate = (catchRateBase * statusBonus * combinedBallAndItemBonus * customModifier * alphaModifier);
// Ensure the catch rate doesn't exceed a theoretical maximum or go below a minimum practical value
// For simplicity, we'll cap it conceptually.
var maxPossibleCatchRate = 255; // A common theoretical max for base catch rates in Pokémon
effectiveCatchRate = Math.min(effectiveCatchRate, maxPossibleCatchRate);
effectiveCatchRate = Math.max(effectiveCatchRate, 0); // Ensure it's not negative
// Displaying the result in a user-friendly way
var percentageChance = (effectiveCatchRate / maxPossibleCatchRate) * 100;
resultElement.innerHTML = "Estimated Catch Rate: " + effectiveCatchRate.toFixed(2) +
"Approximate Success Chance: " + percentageChance.toFixed(2) + "%";
}