With three heads and an appetite for destruction, Hydreigon is ready to sink its teeth into any opponent brave enough to face it in Pokémon Scarlet and Pokémon Violet 7-star Tera Raid Battles. The Brutal Pokémon will appear at black Tera Raid crystals from Thursday, November 6, 2025, at 4:00 p.m. PST to Sunday, November 9, 2025, at 3:59 p.m. PST, then again from Thursday, November 13, 2025, at 4:00 p.m. PST to Sunday, November 16, 2025, at 3:59 p.m. PST.
The Hydreigon appearing during this event has Poison as its Tera Type. Be prepared—this Pokémon is a formidable foe, and it’s got the Mightiest Mark to prove it! Work together with your friends to topple this powerful Tera Pokémon!
During the latter half of this event—from Thursday, November 13, 2025, at 4:00 p.m. PST to Sunday, November 16, 2025, at 3:59 p.m. PST—Blissey will be appearing more frequently in 5-star Tera Raid Battles. These Blissey will have various Tera Types, so prepare wisely before challenging them! Defeating Blissey will yield some delightful rewards, such as various Tera Shards and bonus Exp. Candies.
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 find the Tera Pokémon featured in this event, you’ll also need to have downloaded the latest Poké Portal News. To do so, follow these steps:
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Select Poké Portal in the X menu.
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Select Mystery Gift.
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Select Check Poké Portal News.
To challenge Poison–Tera Type Hydreigon 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 Hydreigon can be caught only once per save data. You can still participate in Tera Raid Battles against this Hydreigon 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 Poison Tera Shards for changing your Pokémon’s Tera Type.
Be warned: Hydreigon is certain to put up a tough fight. If you’re looking for some tips on how to defeat this powerful Pokémon, as well as the methods to unlock Tera Raid Battles in your game, 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.
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