Decidueye with the Mightiest Mark is swooping into black crystal Tera Raid Battles! You can try catching Decidueye from March 16, 2023, at 5:00 p.m. PDT to March 19, 2023, at 4:59 p.m. PDT, and again during a rerun event from March 23, 2023, at 5:00 p.m. PDT to March 26, 2023, at 4:59 p.m. PDT. Decidueye cannot normally be encountered in Paldea, and the Decidueye appearing during this event has Flying as its Tera Type, making it a formidable foe—it even has 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 connecting your Nintendo Switch system to the internet or by selecting Poké Portal in the X menu, then Mystery Gift, then Get 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 Decidueye, 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 Decidueye can be caught only once per save data. You can still participate in Tera Raid Battles against this Decidueye 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 Flying Tera Shards for changing your Pokémon’s Tera Type.

Be warned: Decidueye is certain to put up a tough fight. If you’re looking for tips on how to outsnipe the Arrow Quill 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.