Players who have played previous Pokemon games on their Nintendo Switch will receive a special bonus when they play Pokemon Brilliant Diamond and Pokemon Shining Pearl. Both Mew and Jirachi are Psychic-type Pokemon, with Jirachi also possessing the valuable Steel-type. Both are nearly impossible to encounter in any of the previous Pokemon games with the exception of one or two titles. This How to get Mythical Mew and Jirachi guide will tell you how to get them as a reward.
To reward loyal Pokemon fans the Pokemon 25th Anniversary event will reward players of Pokemon Brilliant Diamond and Shining Pearl with a mythical Pokemon Mew and Jirachi. To receive this special bonus you just need to have save data for Pokemon Sword/Shield and Pokemon: Let's Go, Pikachu/Eevee on your Nintendo Switch. You will only be able to claim one of each mythical Pokemon regardless if you have save data for both Pokemon Sword and Pokemon Shield on your Nintendo Switch so make sure you choose the one you want most.
In order to claim your mythical Mew in Pokemon Brilliant Diamond you need to have save data for Pokemon: Let's Go, Pikachu or Pokemon: Let's Go, Evee on your Nintendo Switch. If you meet this requirement, you will be able to collect your mythical Mew Pokemon by speaking to the madame, an NPC standing in the flower field in the southwestern corner of Floaroma Town.
In order to claim your mythical Jirachi in Brilliant Diamond and Shining Pearl you need to have save data for Pokemon Sword or Shield on your Nintendo Switch. If you meet this requirement, you will be able to collect your mythical Jirachi by speaking the gentleman, an NPC standing in the flower field in the southwestern corner of Floaroma Town.
Take a look at our How to get Mythical Manaphy and Phione guide to find out how you can get these mythical Pokemon as a reward in Pokemon Brilliant Diamond and Pokemon Shining Pearl.