Dynamax Gastly is the latest Max Raid Boss to appear in Pokémon GO, kicking off the Halloween 2024: Part 1 event in a suitably spooky style. This giant version of the Kanto-region classic will appear at Power Stops throughout the event, and you'll be able to battle them with up to three other Trainers, utilizing your own Dynamax-capable Pokémon in the process.

If you've not competed in a Max Raid Battle before, they work similarly to regular Raid Battles. The main difference is that only Pokémon capable of Dynamaxing are allowed to enter. During the battle, when you collect enough Max Energy, you'll be able to Dynamax your Pokémon. At this point, they can unleash powerful Max Moves to (hopefully) destroy the Max Raid Boss, and you'll get the chance to catch them.

Dynamax Gastly Weaknesses

Four Types Will Deal Super-Effective Damage To Gastly

Dynamax Gastly is a dual Ghost/Poison-type Pokémon, which means it's vulnerable to Dark, Ghost, Ground, and Psychic-type attacks. Normally, I'd suggest focusing on Pokémon of these types, but the reality is there aren't many Dynamax-capable Pokémon available right now, so your options will be limited to what you've been able to catch so far.

that a Pokémon's Max Move is influenced by the type of its Fast Attack, not its Charged Attack. So if you're battling against Dynamax Gastly, prioritize Pokémon with Fast Attacks that can target its weaknesses.

On the flip side, Dynamax Gastly is resistant to Bug, Fairy, Fighting, Grass, Normal, and Poison-type attacks. Avoid using attacks of these types if possible, as they won't do much damage to this Max Raid Boss.

Best Counters For Dynamax Gastly

Greedent Is Your Best Option

The best counter for Dynamax Gastly is going to be Dynamax Greedent, as it's currently the only Dynamax-capable Pokémon that has both Fast Attacks (Bite or Mud Shot) and a Charged Attack (Crunch) that can target Gastly's weaknesses. You can run either Bite or Mud Shot as its Fast Attack, as whichever one you choose will end up becoming a super-effective Max Attack when it Dynamaxes.

If you don't have a Dynamax Greedent, you can get an encounter with Dynamax Skwovet by completing the "To The Max!" Special Research quest, which all Trainers should now have access to simply by logging into the game. Once you've caught your Dynamax Skwovet, evolve it into Dynamax Greedent with 50 Candy, use Fast TMs or Charged TMs to get the right moveset, and you'll be good to go.

Once you've caught a Dynamax Gastly, you can evolve it into Dynamax Gengar. This will be an excellent option for taking on Gigantamax Gengar when it makes its Pokémon GO debut on October 31, 2024.

The ideal scenario when battling Dynamax Gastly would be having three Dynamax Greedent on your Max Raid team, but not all Trainers are going to have three in their collection. Another option you can use is Dynamax Blastoise with Bite and Hydro Cannon. Hydro Cannon isn't super-effective against Dynamax Gastly, but Bite is, so you'll still be able to unleash a Dark-type Max Move for high damage.

A third option is to use Dynamax Inteleon with Water Gun and Shadow Ball. This moveset won't give you access to a super-effective Max Move, but it will provide neutral damage which should be enough to take out Dynamax Gastly. Meanwhile, Shadow Ball will deal super-effective damage when used, which will give you an edge in these Pokémon GO battles.