With the arrival of Eternatus in Pokemon GO’s 2025 Max Battle events, Niantic introduced a fresh and powerful Adventure Effect – Dynamax Cannon. This new gameplay feature has quickly caught the attention of trainers for its unique ability to enhance max moves in Dynamax and Max Battles. Below is a comprehensive guide to understanding how the Eternatus Adventure Effect works, how to activate it, and what it means for your battles.
Eternatus Adventure Effect Core Mechanic: What Does Dynamax Cannon Do?
The Adventure Effect tied to Eternatus is linked to its signature Charged Attack called Dynamax Cannon. When you activate this effect, it temporarily boosts the level of all your Pokemon’s Max Moves by 1 for 10 minutes in Max Battles.
Key details Eternatus Adventure Effect:

Pokemon GO Eternamax Eternatus Raid Guide (Image via Niantic)
• Max Moves normally have levels 1 to 3. • The Adventure Effect allows Max Moves already at level 3 to be boosted to level 4, which is otherwise unobtainable. • Locked Max Moves will be temporarily unlocked at level 1 while the effect lasts. • The activation lasts 10 minutes but can be extended up to 24 hours using Stardust and Eternatus Candy.
Pokemon GO Eternatus Dynamax Cannon Activation Requirements: Stardust and Eternatus Candy
To activate the Eternatus Dynamax Cannon, trainers must spend: • 5,000 Stardust • 30 Eternatus CandyThis can be repeated to extend the effect up to 24 hours. Trainers should note that only one Adventure Effect can run at a time, so activating another will cancel Eternatus’s effect.Eternatus Candy is primarily earned by participating in Max Battles during the GO Pass Max Finale event, particularly by defeating Eternamax Eternatus.
Battle Impact: How the Adventure Effect Changes Gameplay
The Eternatus Dynamax Cannon Adventure Effect provides several gameplay advantages: • Increased Damage Output: Max Moves at level 4 hit harder than level 3, helping in raids and Dynamax duels. • Enhanced Utility: Defensive and healing effects tied to Max Moves also scale higher. • Expanded Options: Even unused Max Moves become temporarily available, giving trainers more flexibility. • Team-Wide Boost: The effect applies to all Dynamax and Gigantamax Pokemon, not just Eternatus.
Pokemon GO Eternatus Dynamax Cannon Adventure Effect: When and Why to Use
For competitive and raid-focused trainers, Eternatus Dynamax Cannon is highly valuable. It improves performance in Max Battles, boosts raid DPS, and makes survivability easier in challenging encounters.The ability to extend the effect for hours also means it can be resource-efficient during raid-heavy events or Pokemon Go Fest sessions. However, casual players who rarely engage in Max Battles may find the Stardust and Candy cost too high.
Strengths vs. Limitations of the Eternatus Dynamax Cannon

Eternamax Eternatus Raid Boss (Image via Niantic)
Strengths:
• Unlocks exclusive level 4 Max Moves • Enhances both offensive and defensive gameplay • Benefits the whole battle team, not just Eternatus • Can be timed for extended raid sessions
Limitations:
• High resource requirement (rare Candy and Stardust) • Effect is temporary and requires reactivation • Practical use limited mainly to Max Battle formats
Is the Eternatus Adventure Effect Worth It in Pokemon GO?
The Eternatus Adventure Effect is one of the most impactful temporary boosts introduced in Pokemon Go. For trainers who are serious about raiding, Dynamax encounters, and competitive Max Battles, it offers a noticeable advantage that can tip the scales in difficult fights.While expensive, its benefits outweigh the cost for high-level players who maximize raid opportunities. For casual trainers, however, the investment might feel steep unless they plan to participate heavily in Max content.Also read: How to get Shiny Eternamax Eternatus in Pokemon GO: Availability, Shiny Odds, Best Tips and Tricks, and MoreIn short: if Max Battles are central to your gameplay, the Eternatus Adventure Effect is absolutely worth using.