Gastly’s Ghastly Evolution: Looming Purple Fog


Gastly evolution, with its spectral presence and mischievous grin, is a fan favorite in the Pokémon world. Gastly, the first Pokémon in the line, is a creepy but adorable purple cloud that embodies the spirit of Halloween. But this ghastly cloud has a hidden potential, evolving into the powerful and playful Haunter and the infamous Gengar. This article delves into the fascinating evolution of Gastly, exploring everything you need to know about this spooky Pokémon’s journey.

Gastly evolution

From Cute Cloud to Eerie Grin: Gastly’s Introduction

Gastly, introduced in Generation I of the Pokémon games, is a dual-type Ghost and Poison Pokémon. Its design is delightfully unsettling. It appears as a swirling purple cloud with two large, menacing red eyes and a toothy grin. According to the Pokédex, Gastly is formed from the souls of those who died wandering through mountains. Despite its spooky origins, Gastly is known to be playful, often hiding in shadows and emerging to surprise unsuspecting people.

Trainers looking to catch a Gastly can often find them in haunted locations like towers and caves. These gaseous Pokémon are not inherently aggressive, but their pranks can sometimes lead to trouble.

Level Up the Spookiness: Gastly’s Evolution into Haunter

At level 25, Gastly sheds its cloud-like form and evolves into Haunter, another Ghost and Poison-type Pokémon. Haunter retains the mischievous personality of Gastly but appears more corporeal. It takes the form of a purple, vaguely humanoid figure with a long, swirling tail and a perpetually wide grin. Haunter’s eyes are now yellow and slitted, adding to its menacing appearance.

The evolution process is shrouded in mystery. The Pokédex entry for Haunter suggests that it is the disembodied spirit of a Gastly that has grown stronger. Haunter is said to lick people’s life force away, leaving them with a coldness that can last for hours. However, some trainers believe this is simply Haunter’s way of playing, using its ghostly abilities to create a harmless prank.

The Spooky Trade: Haunter’s Evolution into Gengar

Haunter’s evolution into Gengar is where things get interesting. Unlike most Pokémon who evolve simply by reaching a certain level, Haunter requires a trade to evolve into Gengar. This trade requirement has become a staple of the Gastly line, adding a layer of social interaction to the evolution process.

The specific reason for the trade requirement is never explicitly stated in the games. Some theories suggest that the act of trading exposes Haunter to a new environment, forcing it to adapt and evolve into a stronger form. Others believe the emotional connection with another trainer helps Haunter overcome its playful nature and embrace its full potential.

Gengar retains the Ghost and Poison typing of its previous forms but undergoes a significant design change. It becomes a squat, purple creature with a wide, malicious grin and sharp claws. Gengar is known for its powerful shadow manipulation abilities and is considered one of the strongest Ghost-type Pokémon in the franchise.

There have been rumors and speculation throughout the years about alternative ways to evolve Haunter without trading. However, in the mainline Pokémon games, trading remains the only confirmed method.

Beyond the Games: Gastly’s Evolution in the Anime

The Gastly line has made numerous appearances in the Pokémon anime, showcasing their unique personalities and abilities. Gastly is often depicted as a mischievous prankster, while Haunter plays a more prominent role, particularly in the early seasons. The anime episode “The Haunter of Old Mansion” features a Haunter who haunts an old mansion, tricking Ash and his friends. This episode perfectly captures Haunter’s playful and sometimes malicious nature.

Gengar’s appearances in the anime highlight its power and cunning. It is a popular choice for Ghost-type specialists, often used for its impressive offensive capabilities. A notable example is Agatha, a member of the Elite Four in the Kanto region, who uses a powerful Gengar in battle.

Competitive Battling: The Power of the Gastly Line

The Gastly line holds a respectable place in the competitive Pokémon battling scene. Gastly, although not commonly used due to its unevolved state, has some potential in specific team builds. Its access to moves like Mean Look, which prevents opponents from switching out, can be strategically beneficial.

Haunter becomes more viable in competitive battling. Its high Special Attack stat and access to powerful moves like Shadow Ball and Shadow Punch make it a force to be reckoned with. However, its frail defenses require careful positioning and support from teammates.


Who Does Gastly Evolve Into?

Gastly has a two-stage evolution line. Its first stop is Haunter, a shadowy, grinning creature that retains the Ghost/Poison typing of Gastly.

Haunter then evolves into the powerful Gengar, a menacing Pokemon with a mega evolution form as well!

How to Evolve Gastly into Haunter

Evolving Gastly is nice and straightforward. All you need to do is raise your Gastly to level 25. Once it reaches this level, it will automatically evolve into Haunter.

How to Evolve Haunter into Gengar

Here’s where things get a little interesting. Haunter’s evolution to Gengar requires trading. You’ll need to trade your Haunter with another player to trigger the evolution.

Is There Another Way to Evolve Haunter?

In some Pokemon games, there’s an alternative way to evolve Haunter. If you have a Linking Cord held by your Haunter during a trade, it will evolve into Gengar even if you’re trading it back and forth with yourself!

What Level Does Haunter Evolve into Gengar?

The level of your Haunter doesn’t matter when it’s being traded. As long as it’s holding a Linking Cord (in some games), the trade will trigger the evolution into Gengar regardless of its level.

Can You Evolve a Gastly Directly into Gengar?

No, you cannot skip Haunter and evolve Gastly straight into Gengar. Gastly must evolve into Haunter first, and then Haunter needs to be traded (or use the Linking Cord method in some games) to evolve into Gengar.

Tips for Evolving Gastly

Level Up: This is the easiest part! Just battle with your Gastly and gain experience points until it reaches level 25.

Find a Trading Partner: Look for a friend who also wants to trade Pokemon, or find online communities dedicated to Pokemon trading.

Linking Cord (if applicable): In games where the Linking Cord method works, acquire this held item to evolve Haunter during a trade with yourself.

To read more, Click here

About the author


Add Comment

Get in touch

Content and images available on this website is supplied by contributors. As such we do not hold or accept liability for the content, views or references used. For any complaints please contact Use of this website signifies your agreement to our terms of use. We do our best to ensure that all information on the Website is accurate. If you find any inaccurate information on the Website please us know by sending an email to and we will correct it, where we agree, as soon as practicable. We do not accept liability for any user-generated or user submitted content – if there are any copyright violations please notify us at – any media used will be removed providing proof of content ownership can be provided. For any DMCA requests under the digital millennium copyright act Please contact: with the subject DMCA Request.