Catch a Monster Dungeon & Frostwyrm EVO Update Guide (June 2026)

The latest Catch a Monster update has arrived, and it is packed with content that changes how players approach the endgame. From the new Nightmare Dungeon to the Frost Evolution Event that lets you evolve Frostwyrm into the powerful Avalanchewyrm, there is a lot to digest. This Catch a Monster Dungeon & Frostwyrm EVO update guide breaks down every new feature so you can jump in and start progressing right away.

If you have been following along with our Catch a Monster update guide or the latest Catch a Monster update guide covering Update 0.26, you already know the devs have been pushing big changes. This update continues that trend with an entirely new dungeon system, a limited-time Frost Evolution Event, Void monsters, and a Gear Event that rewards dedicated players. Let me walk you through everything.

What Is the Dungeon & Frostwyrm EVO Update?

The Dungeon & Frostwyrm EVO update is a major content release for Catch a Monster on Roblox that introduces four core additions to the game. The centerpiece is the Nightmare Dungeon, a high-difficulty instance that tests even well-prepared teams. Alongside it comes the Frost Evolution Event, a limited-time opportunity to evolve your Frostwyrm into the significantly stronger Avalanchewyrm.

The update also adds Void monsters, which are rare creature variants that appear under special conditions, and the Gear Event, a task-based reward system that scales with your progression. Together, these additions give mid-to-late game players fresh challenges and meaningful upgrades to chase.

This is one of the largest updates since the Thunderclaw boss and SS Rank system introduced in Update 0.26, and it shifts the meta toward ice-type evolution paths and dungeon-based farming.

How to Access the New Dungeon?

The new Nightmare Dungeon is located in the Spirit Grove area. To reach it, open your map and fast-travel to Spirit Grove, then head northeast past the Crystal Caverns. You will see a large frost-covered entrance with glowing blue runes marking the dungeon gate.

Before you can enter, you need to meet a few requirements:

• Your team must be S-Rank or higher. The dungeon does not allow lower-ranked teams inside.
• You need at least three monsters in your active party. Solo attempts are not possible.
• Complete the “Frost Awakening” quest from the NPC standing near the entrance. This unlocks dungeon access permanently.
• Bring healing items. The dungeon has multiple floors, and there are no heal stations between boss fights.

Once inside, the dungeon operates on a floor-by-floor system. Each floor has a set of enemy encounters followed by a mini-boss. Clear all five floors to reach the final boss at the Endless Spire, which drops exclusive materials including Frostfeather Shards needed for Frostwyrm evolution.

The dungeon resets daily, so you can farm it once every 24 hours. Nightmare difficulty scales with your team level, meaning higher-level teams face stronger enemies but also earn better drop rates on rare materials.

Nightmare Dungeon Strategies

The Nightmare Dungeon demands solid team composition and preparation. Based on community testing and my own runs, here are the strategies that work best.

For team composition, you want a balanced setup: one tank-type monster with high defense, one DPS monster with strong elemental attacks, and one support monster that can heal or buff your party. Ice-type monsters get a stat bonus inside the dungeon, so bring them if you have them.

Each floor has specific enemy types that follow patterns. Floor 1 and 2 feature swarms of weaker enemies where area-of-effect attacks shine. Floor 3 introduces shielded enemies that require single-target burst damage. Floor 4 has a mini-boss with a freeze mechanic, so bring monsters with freeze resistance if possible. Floor 5 leads to the Endless Spire boss, which cycles through three attack phases.

The final boss at the Endless Spire has the highest drop rate for Frostfeather Shards at approximately 60% per clear. This makes daily dungeon runs the most efficient way to farm evolution materials for your Frostwyrm.

Frostwyrm Evolution Guide: How to Get Avalanchewyrm

The most searched question about this update is how to evolve Frostwyrm. The process is straightforward once you have the materials, but collecting everything takes time. Here is the exact step-by-step process:

1. Catch or acquire a Frostwyrm. You can find Frostwyrm in the Frostbite Caverns area or trade with other players.
2. Collect 16 Frostfeather Shards. Farm these from the Nightmare Dungeon boss at the Endless Spire (60% drop rate per run) or from defeating the Frostwyrm world boss when it spawns.
3. Gather Ice-type refined gems. You need at least 10 refined gems. These come from refining raw gems at the Gem Refinery in Skyheart Isle.
4. Travel to Skyheart Isle and locate the Pet Evolution kiosk near the central plaza.
5. Select your Frostwyrm from your party, then add the Frostfeather Shards and refined gems to the evolution slot.
6. Confirm the evolution. Your Frostwyrm transforms into Avalanchewyrm with significantly boosted stats.

The entire process typically takes 5 to 7 days of consistent daily dungeon runs if you are starting from zero Frostfeather Shards. Players who already stockpiled refined gems can complete it faster.

Frostwyrm to Avalanchewyrm: Materials and Requirements

Understanding the full material breakdown helps you plan your farming route. Here is exactly what you need:

Frostfeather Shards (x16): The primary evolution material. Dropped by the Endless Spire boss in the Nightmare Dungeon at 60% rate. Also obtainable from the Frostwyrm world boss encounter, though the spawn timer makes this less reliable. Each Nightmare Dungeon run gives you one chance at a shard, so expect to run the dungeon 27 times on average to collect all 16.

Ice-type Refined Gems (x10): Raw gems drop from ice-type monsters throughout the Frostbite Caverns and Spirit Grove. You need 3 raw gems to refine into 1 refined gem at the Gem Refinery in Skyheart Isle. That means collecting 30 raw gems total.

EM Value: When your Frostwyrm evolves, the resulting Avalanchewyrm gets an EM (Evolution Mastery) value ranging from 1 to 5 stars. Higher EM means better base stats. The initial EM is somewhat random, but there are ways to influence it.

Pity System: If you get a low EM value on your Avalanchewyrm, the pity system kicks in. After a certain number of failed evolution attempts or low-star results, the game guarantees a higher-tier result on your next try. This prevents players from being permanently stuck with weak evolutions after investing significant materials.

Chaos Potion: If you want to reroll a bad EM value without waiting for the pity system, the Chaos Potion lets you re-roll your Avalanchewyrm’s stats. These potions are rare, obtainable from the Gear Event and limited-time shop purchases.

The stat difference between Frostwyrm and Avalanchewyrm is substantial. Community testing shows Avalanchewyrm gains roughly a 40% increase in attack power, 35% more health, and access to an exclusive ultimate ability called “Frozen Avalanche” that deals massive area damage with a freeze effect. This makes it one of the strongest ice-type monsters currently available.

Frost Evolution Event Explained

The Frost Evolution Event is a limited-time event running alongside the dungeon update. During this event, evolution material drop rates are boosted, and exclusive event items become available that are not normally obtainable.

Here is what the Frost Evolution Event includes:

• Double Frostfeather Shard drop rates from all sources for the event duration.
• A special event shop in Skyheart Isle selling exclusive ice-type cosmetic items and bonus materials.
• Daily login rewards that include raw gems, XP potions, and on day 7 a guaranteed Frostfeather Shard.
• Event-exclusive quests that reward refined gems and evolution-related items when completed.

The event is designed to give players a realistic path to evolving their Frostwyrm within the event window. If you log in daily and run the Nightmare Dungeon each day during the event, you should have enough materials to complete the Avalanchewyrm evolution before the event ends.

Even if you miss the event, the Frostwyrm evolution path remains available permanently. The event just makes it faster and adds exclusive cosmetics. You can learn more about how event systems work from our Catch a Monster Admin Abuse Event guide, which covers the general event mechanics and reward structures.

Gear Event Mechanics and Rewards

The Gear Event is a new task-based system that rewards players for completing specific objectives during the update period. Unlike the Frost Evolution Event which focuses on evolution materials, the Gear Event provides gear upgrades, enhancement items, and Chaos Potions.

Here is how it works:

1. Open the Gear Event menu from the main HUD. It appears as a gear icon on the right side of the screen.
2. Complete daily and weekly tasks listed in the event panel. Tasks include things like “Clear Nightmare Dungeon 3 times” or “Defeat 50 ice-type monsters.”
3. Earn Gear Points for each completed task. These points accumulate across the event duration.
4. Redeem Gear Points at the event shop for rewards. The reward tiers scale up, meaning more points unlock better items.

The top-tier rewards in the Gear Event shop include Chaos Potions (for EM rerolls), rare enhancement materials, and an exclusive gear set that provides bonuses in ice-type encounters. The gear set is particularly valuable for players running the Nightmare Dungeon repeatedly, as it increases damage against dungeon enemies.

Gear Event rewards scale with the number of tasks you complete. Casual players who log in for 20 minutes a day can still earn mid-tier rewards, while dedicated players grinding daily will reach the top-tier items within the event period.

Void Monsters Overview

Void monsters are a new creature variant introduced in this update. They are rare versions of existing monsters with altered color schemes (dark purple and black with glowing eyes) and boosted stats compared to their normal counterparts.

Void monsters spawn under special conditions:

• They appear during specific weather conditions in the game world. When a “Void Storm” is active, void variants can spawn in any area.
• The spawn rate is low, estimated at around 5% of normal monster spawns during Void Storm events.
• Each area has its own set of possible Void monster variants. Spirit Grove, for example, can spawn Void versions of ice and rock-type monsters.

Catching Void monsters works the same way as normal monsters, but they have higher resistance to capture items. Bring extra capture tools and lower their health as much as possible before attempting a catch. The effort is worth it because Void monsters typically have 15 to 25% better stats than their normal versions and a unique visual effect in battle.

Void monsters cannot be evolved in the traditional sense. Instead, they gain power through the Gear Event enhancement system, making them complementary to the evolution-focused content in this update.

Working Catch a Monster Codes (June 2026)

Codes are a quick way to grab free items that help with the new content. Here are the currently active codes as of June 2026. Keep in mind that codes expire frequently, so redeem them as soon as possible.

To redeem codes, open the game, tap the Twitter bird icon on the left side of the screen, enter the code exactly as shown, and press submit. Rewards appear in your inventory immediately.

The following codes are currently working:

• FROST2026 – Rewards: 3 Frostfeather Shards, 2 XP Potions
• DUNGEON – Rewards: 5 Raw Gems, 1 Coin Potion
• VOIDHUNT – Rewards: 3 Capture Items, 1 Egg
• GEARUP – Rewards: 100 Gear Points, 2 Raw Gems
• ICEEVO – Rewards: 2 Refined Gems, 1 XP Potion

Codes are case-sensitive, so type them exactly as listed. Expired codes will show an error message and will not grant any rewards. We update this list regularly, so bookmark this page and check back for new code additions.

Material Farming Tips

Efficient material farming makes the difference between finishing your Avalanchewyrm evolution in a week versus a month. Here are the farming strategies the community has found most effective.

Frostfeather Shard Route: Run the Nightmare Dungeon daily. This is your primary source. Each run takes roughly 15 to 20 minutes with a competent team. With the 60% drop rate, you can expect 4 to 5 shards per week from dungeon runs alone. During the Frost Evolution Event, double drops make this even faster.

Raw Gem Farming: Head to Frostbite Caverns and farm the ice-type monsters near the frozen lake. These monsters have the highest raw gem drop rate at approximately 15% per kill. Using a monster with increased item drop ability speeds this up significantly. You need 30 raw gems for the full evolution, which translates to about 200 monster kills on average.

AFK Grinding Spots: For players who cannot actively grind, there are semi-AFK spots in Spirit Grove where weaker ice monsters spawn near a safe zone. Park your team there and let your monsters auto-battle. The drop rate is lower than active farming, but it adds up over hours of idle time.

Optimization Tips: Always run the Nightmare Dungeon first each day before doing anything else, since it is time-gated. Prioritize raw gem farming on days when the Frost Evolution Event has bonus drop rates. And save your Chaos Potions for Avalanchewyrm rerolls rather than using them on other evolutions.

FAQs

Conclusion

The Catch a Monster Dungeon & Frostwyrm EVO update is one of the most content-rich patches the game has received. The Nightmare Dungeon provides repeatable endgame content with meaningful rewards, the Frostwyrm to Avalanchewyrm evolution gives players a clear power goal, and the Frost Evolution Event makes the grind manageable for active players.

Prioritize your daily Nightmare Dungeon runs, stay on top of working codes for free materials, and take advantage of the Frost Evolution Event while it lasts. With consistent play, you can have your Avalanchewyrm within a week and be well on your way to conquering everything this update has to offer.