ECHO LEGION

Contains adsIn-app purchases
Content rating
Everyone 10+
1+
Downloads
Content rating
Everyone 10+
Fantasy Violence
Users Interact, In-Game Purchases (Includes Random Items)
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

Build your own army by commanding the "Echoes" of defeated foes.

ECHO LEGION is an army-building battle game where you defeat stronger opponents through formation and organization.

■ Defeated enemies become allies
Opponents you defeat become "Echoes" and join your army. This includes the Goblin King and the giant trees of the forest. Cultivate and combine the collected Echoes to create your own unique army.

■ Defeat stronger opponents with positioning
Formation and organization are key to overturning the difference in power. The placement of front and back lines, the protagonist's position, and the compatibility between Echoes greatly influence the outcome of the battle. Records of victories against stronger opponents are recorded as "Victories Against Stronger Opponents" in the rankings.

■ As you grow, your options expand
Learn abilities with Resonance Cores and change your fighting style with Keystones. There are many places to challenge yourself: stages, trials, and season rifts.

■ With Other Commanders
Chat in the plaza, make friends, and engage in asynchronous battles against other commanders. Show off your proud army!

■ Strength is Not Sold
There is no gacha system. In-app purchases are for card appearance and features that enhance gameplay (double speed, storage slots, warehouse, lamps that increase experience and drop rates, etc.). Echoes and ability points themselves are not sold.

* Free to play, with in-app purchases and advertisements (optional reward-based ads)
* Linking your Google account allows you to save your progress to the cloud.

■ About the Monthly Membership "Covenant"
* 500 yen per month (auto-renewal). Automatically renews unless canceled before the end of the period.
* You can cancel anytime from "Payments and subscriptions" → "Subscriptions" in Google Play.
* Terms of Service: https://echo-legion.com/legal/terms
* Privacy Policy: https://echo-legion.com/legal/privacy
Defeated enemies become your allies. A battle system that allows you to overturn stronger opponents through strategic formation and organization. No gacha system.
Updated on
Oct 23, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Location, App activity and 2 others
  • This app may collect these data types
    Location, Personal info and 5 others
  • Data is encrypted in transit
  • You can request that data be deleted
Content rating
Everyone 10+
Fantasy Violence
Users Interact, In-Game Purchases (Includes Random Items)
Learn more

App support

About the developer
前田 達也
tatsu.solodev@gmail.com
東山区土居之内町463 アルカス京都東山三条 102 京都市, 京都府 605-0024 Japan