If you’re a fan of Grass-type starters, Chespin’s return in Pokémon Legends: Z-A is a treat. The spiky little Pokémon now has access to a brand-new Mega Evolution—Mega Chesnaught, a powerhouse of defense and brute strength. In this guide, we’ll cover how to evolve Chespin into Chesnaught and then unlock its Mega form, along with a few practical tips to make your journey smoother.

Step 1: Evolve Chespin into Quilladin and Chesnaught

The first step is the classic evolution route. Level up Chespin to level 16 to evolve it into Quilladin, and then to level 36 to get Chesnaught. If you’re focused on building your team early, experience farming through side quests or Training Grounds battles is the fastest route. You can also use EXP Candies obtained from exploration or by defeating high-level wild Pokémon.

Step 2: Unlock Mega Evolution

Once you have Chesnaught, you’ll need a Chesnaughtite, the Mega Stone required for Mega Evolution. These stones can be found in late-game routes or as rewards from special challenges. Players who enjoy participating in Z-A Royale or timed events may also earn them as rare drops.

Keep in mind that Mega Evolution mechanics in Pokémon Legends: Z-A work differently than in previous games. You’ll need to fill the Mega Energy gauge during battle, and once activated, Mega Chesnaught gains improved Defense and Attack stats, plus a unique passive ability that reduces damage from multi-hit moves.

Step 3: Strengthen Mega Chesnaught’s Build

Mega Chesnaught thrives on endurance. Consider moves like Drain Punch, Body Press, and Spiky Shield to maximize sustain. For offensive synergy, pair it with Pokémon that can handle Flying or Fire types—two of Chesnaught’s main weaknesses.

If you’re building a competitive team, having a Mega Chesnaught with good IVs and nature is worth the investment. Many players choose to buy shiny Pokémon or buy Pokémon Legends ZA items to optimize their teams quickly, especially for ranked battles or event competitions.

Step 4: Training and Battle Tips

Mega Chesnaught’s signature trait is its ability to absorb hits and counter with powerful moves. Try using it as a frontline tank in story missions or PvP matches. Combining its defense-boosting moves with support teammates gives it the resilience to outlast opponents.

The key is balance—don’t rely purely on defense. Equip held items that enhance attack or regeneration. You can also acquire rare items from trusted in-game trading communities or services like U4GM, known for helping players gear up efficiently.

Evolving Chespin into Mega Chesnaught in Pokémon Legends: Z-A is a rewarding experience for players who appreciate sturdy, strategic Pokémon. Whether you’re exploring the wilds or preparing for competitive battles, this Grass-Fighting juggernaut is a valuable addition to any team. With smart training and a solid build, Mega Chesnaught can hold its own against some of the toughest opponents in the game.