How To Evolve Hattrem Pokemon Scarlet

Evolving Pokémon is a core mechanic in the Pokémon franchise, and Pokémon Scarlet and Violet are no exception. Understanding the specific evolution methods for each Pokémon is crucial for completing your Pokédex and building a powerful team. This article focuses on the evolution of Hattrem, a Psychic-type Pokémon found in the Paldea region.
Understanding Hattrem and its Evolution Line
Hattrem is the evolved form of Hatenna and evolves into Hatterene. It’s a primarily pink Pokémon with a unique design featuring a hat-like structure on its head. Hattrem is known for its sensitivity to strong emotions and its preference for peaceful environments.
The Evolution Line
The Hatenna evolution line consists of three stages:
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- Hatenna: The base form of the evolution line.
- Hattrem: Evolves from Hatenna at level 32.
- Hatterene: Evolves from Hattrem at level 42.
This article will focus specifically on the process of evolving Hattrem into Hatterene.
Evolving Hattrem into Hatterene: Leveling Up
The method for evolving Hattrem into Hatterene in Pokémon Scarlet is straightforward: leveling up. There are no special items, locations, or friendship requirements involved.
The Level Requirement
Hattrem evolves into Hatterene at level 42. This means you need to train your Hattrem until it reaches this level.
Methods for Leveling Up Hattrem
Several methods exist for leveling up your Hattrem, each with its own advantages and disadvantages. The most effective approach often involves a combination of these methods.

Battling Wild Pokémon
Engaging in battles with wild Pokémon is a fundamental way to gain experience points (EXP). The amount of EXP gained depends on several factors, including:
- The level of the defeated Pokémon.
- The species of the defeated Pokémon.
- Whether the Pokémon holding the EXP is the same type as the move used.
- Whether the Pokémon is holding a Lucky Egg (see below).
Focus on battling Pokémon that are higher level than your Hattrem for faster EXP gain. Areas with denser populations of Pokémon can also be beneficial.
Battling Trainer Pokémon
Battles against Trainer Pokémon typically yield significantly more EXP than battles against wild Pokémon. These battles are often more challenging, but the reward is a more substantial increase in levels. Progressing through the game's story will provide ample opportunities to battle Trainers. Revisiting areas to rebattle Trainers after you’ve become stronger can also be a useful strategy.
Using EXP Candies
EXP Candies are items that instantly grant a Pokémon a certain amount of EXP. These candies come in various sizes, each providing a different amount of EXP:

- EXP Candy XS: Grants 100 EXP
- EXP Candy S: Grants 800 EXP
- EXP Candy M: Grants 3,000 EXP
- EXP Candy L: Grants 10,000 EXP
- EXP Candy XL: Grants 30,000 EXP
EXP Candies can be obtained through various means, including:
- Completing Tera Raid Battles.
- Finding them scattered throughout the Paldea region.
- Receiving them as rewards for completing certain in-game tasks.
EXP Candies are particularly useful for quickly leveling up your Hattrem, especially if you're close to reaching level 42.
Using Rare Candies
Rare Candies are even more potent than EXP Candies. Using a Rare Candy instantly raises a Pokémon's level by one. This is the fastest way to level up Hattrem, but Rare Candies are also more scarce.
Rare Candies can be obtained through:

- Finding them hidden in the environment (often requires exploration).
- Completing certain in-game events or challenges.
The Lucky Egg
The Lucky Egg is a held item that significantly increases the amount of EXP a Pokémon earns in battle. It provides a 50% boost to EXP gained. This is a valuable item to give to your Hattrem while training.
The Lucky Egg is obtained by completing a certain number of Pokédex entries and speaking to a specific character (typically a Professor or researcher type) in one of the towns. Consult a detailed game guide to find the exact requirements and location.
Tips and Strategies for Efficient Leveling
Here are some tips to optimize the leveling process for your Hattrem:
- Prioritize Type Matchups: When battling wild Pokémon, choose battles where your Hattrem has a type advantage. Psychic-type Pokémon are strong against Fighting and Poison types.
- Utilize Held Items: Equip your Hattrem with a Lucky Egg for increased EXP gain, or a type-boosting item (such as Twisted Spoon for Psychic moves) to deal more damage.
- Take Advantage of Tera Raid Battles: Tera Raid Battles offer a consistent source of EXP Candies and other valuable rewards. Participate in these battles whenever possible.
- Explore High-Level Areas: As your Hattrem gets stronger, venture into areas with higher-level Pokémon to maximize EXP gains. Be mindful of the level difference to avoid being easily defeated.
- Rotate Team Members: Use the Exp. Share feature and rotate your team to spread the EXP gained. This will help keep all your Pokémon at a comparable level.
Post-Evolution: Hatterene
Once your Hattrem reaches level 42, it will automatically evolve into Hatterene upon leveling up in any battle, by consuming an EXP Candy, or using a Rare Candy. Hatterene is a powerful Psychic/Fairy-type Pokémon known for its high Special Attack and Special Defense stats. It's a valuable addition to any team, particularly for its strong offensive capabilities and resistance to certain types.

After evolving, consider the following:
Move Relearning: Check Hatterene's move list to see if there are any moves it learns upon evolution or at higher levels that you want to teach it. You can relearn old moves from the Move Reminder in any Pokémon Center.
Tera Type: Consider changing Hatterene's Tera Type to complement its strengths or cover its weaknesses. Fairy is often a good choice to further enhance its Fairy-type moves.
EV Training: If you're aiming for competitive battling, focus on EV training Hatterene's Special Attack and Special Defense stats. Defeating specific Pokémon or using vitamins can help you achieve this.
Conclusion
Evolving Hattrem into Hatterene in Pokémon Scarlet is a relatively simple process that primarily involves leveling up. By understanding the level requirement, utilizing efficient leveling methods, and employing helpful strategies, you can easily obtain this powerful Psychic/Fairy-type Pokémon and add it to your team. Remember to focus on maximizing EXP gains through battles, EXP Candies, and held items like the Lucky Egg. The evolution of Pokémon such as Hattrem is crucial for completing the Pokedex, and for building a well-rounded, and ultimately, successful Pokémon team.
