A new set of challenging 7-Star Tera Raid Battles is coming to Pokémon Scarlet & Violet, and this time, Mighty Hydreigon is the featured Pokémon. This Hydreigon is especially powerful, marked as ‘Mightiest,’ and is a Poison-type Tera Pokémon, making it a tough battle for unprepared players.
This guide offers the best strategies and counters for defeating Mighty Hydreigon in the new Pokémon Scarlet & Violet Tera Raid Event. The raids will be available in two rounds: the first from November 6th to November 9th, 2025, and the second from November 13th to November 16th, 2025. Both rounds begin at 7 PM ET and end at 6:59 PM ET.
Best Counters For Mighty Hydreigon Tera Raid Battle in Pokemon Scarlet & Violet
Hydreigon is a powerful Dark and Dragon-type Pokémon, inspired by the legendary hydra. It’s a formidable opponent, capable of winning even when facing a type disadvantage. In this battle, Hydreigon will be using the Poison Tera Type and the following moves (some moves are alternatives):
- Tera Blast (Poison)
- Dark Pulse (Dark)
- Dragon Pulse (Dragon)
- Earth Power (Ground)
- Snarl (Dark)*
- Nasty Plot (Dark)*
- Dragon Dance (Dragon)*
Hydreigon, when boosted with the Poison Tera Type, takes double damage from Ground and Psychic attacks. It resists damage (taking only half) from Fighting, Poison, Grass, Fairy, and Bug type moves. Considering these weaknesses and resistances, here are the best Pokémon to use in this raid.
| Pokemon | Specs |
|---|---|
 |
|
 Blissey |
|
 |
|
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Strategy Guide For Malamar, Gallade, and Blissey
Here’s a winning plan for the Mighty Hydreigon Tera Raid Battle, using the recommended Pokémon. If you follow these tips, you should be able to easily defeat this challenging 7-Star Raid.
- Malamar -Using the following EV Spread: 252 HP/252 Sp. Def/Sp. Atk 4 – Use ‘Skill Swap’ to turn Hydreigon’s Levitate into Contrary, then use Calm Mind to raise Malamar’s Sp Atk, then use Stored Power to blast Hydreigon. If Hydreigon causes too much damage to Malamar, use Rest to recover. Cheer while Malamar sleeps to recover or boost. Terastalize to break shield and repeat the strategy until it’s defeated.
- Gallade – Using the following EV Spread: 252 Atk/252 Sp. Def/HP 4 – Use Light Screen to protect the team from Hydreigon’s attacks, then Swords Dance to boost Gallade’s Psycho Cut, use Life Dew to recover the party in the break round. Repeat Swords Dance and Psycho Cut, terastalize to break and defeat Hydreigon.
- Blissey – Using the following EV Spread: 252 Sp. Atk/252 Sp. Def/Speed 4 – Use Light Screen in the first round, follow up with 6x Calm Mind, then Stored Power to force break round. Use Soft Boiled to recover, follow up with strategy, Terastalize, and finish with Stored Power.
Before trying these strategies, make sure your Pokémon know all the necessary moves. Check where to find any TMs they might be missing.
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2025-11-08 23:05