1. Catch Rate: This is the base chance of catching a Pokemon, and it varies significantly between species. Some Pokemon have incredibly low catch rates, making them notoriously difficult to capture.
2. Level Difference: The bigger the level difference between you and the Pokemon, the harder it is to catch. Higher-level Pokemon are much more likely to break free from Poke Balls.
3. Status Conditions: Certain status conditions, like sleep or freeze, significantly increase your chances of catching a Pokemon.
4. Poke Ball Type: Different Poke Balls offer varying catch rates. Master Balls have a 100% catch rate, while standard Poke Balls have a much lower chance.
5. Game Mechanics: Some games introduce mechanics that make certain Pokemon harder to catch, like the "Shiny Charm" or "Catch Combo" in Pokemon GO.
Examples of Pokemon Known for Being Difficult to Catch:
* Mewtwo: Legendary Pokemon with a notoriously low catch rate.
* Articuno, Zapdos, Moltres: Legendary birds with low catch rates.
* Rayquaza: Legendary dragon with a low catch rate, especially in its Mega Evolution.
* Groudon, Kyogre: Legendary titans with low catch rates.
* Dialga, Palkia, Giratina: Legendary Pokemon with low catch rates, and difficult to encounter.
It's important to note: The "hardest" Pokemon to catch can be subjective and vary depending on your individual experience and skill.