Blastoise with the Mightiest Mark is coming to Pokémon Scarlet and Pokémon Violet black crystal Tera Raid Battles! Continuing a string of iconic Kanto Pokémon appearing in 7-star Tera Raid Battles, you’ll be able to challenge Blastoise from Tuesday, March 5, 2024, at 4:00 p.m. PST to Tuesday, March 12, 2024, at 4:59 p.m. PDT. Blastoise cannot normally be encountered in Paldea (though, you can encounter Squirtle in the Blueberry Academy’s Terarium), and the Blastoise appearing during this event has Steel as its Tera Type. Be prepared—this Pokémon is a formidable foe, and it’s got the Mightiest Mark to prove it!

For the opportunity to encounter this Pokémon in Tera Raid Battles, you’ll need to have downloaded the latest Poké Portal News. You can do this by selecting Poké Portal from the X menu, then Mystery Gift, then Check Poké Portal News. After that, whenever you see a sparkling pillar of light shining from a Tera Raid crystal, you can walk up to the crystal and interact with it to start a Tera Raid Battle with a Tera Pokémon.

To challenge Steel–Tera Type Blastoise with the Mightiest Mark, Trainers will need to either complete the postgame events that follow the main story or join a 7-star Tera Raid Battle hosted by a Trainer who has completed those events. This special Blastoise can be caught only once per save data. You can still participate in Tera Raid Battles against this Blastoise if you’ve already caught it to obtain other rewards—including significant amounts of Exp. Candy for leveling up your Pokémon, treasures that can be sold at Pokémon Centers, items for improving your Pokémon’s stats, and Steel Tera Shards for changing your Pokémon’s Tera Type.

Be warned: Blastoise is certain to put up a tough fight. If you’re looking for some tips on how to defeat this powerful Pokémon, head on over to our Tera Raid Battle Tips article. Learn the ins and outs of Tera Raid Battles in the Paldea region so that you never miss a chance to catch a powerful Pokémon or earn handsome rewards.