AFK Heroes Legends-Idle Battle is a free-to-play adventure RPG game for Android. The game is developed by Heartbeat Game, and it is set in a dark world where players recruit and lead heroes to fight against millions of monsters.

In the game, players can recruit excellent heroes to help their team and lead them to release powerful skills. The most faithful heroes fight for the player's glory, and players can forge powerful equipment for themselves and their heroes. The game also features rare equipment ingredients that players can collect for free by defeating monsters in the map.

The game has an interesting background story where King Arthur was seriously injured in the final battle of the earth and was sent to the holy land of Avalon. The guardian of Avalon, the nine fairy queens, disappeared, and the land was attacked by the Legion of Terror. The suffering people gathered in the last city, praying for the Great Prophet to inform them of the direction of the future.

Overall, AFK Heroes Legends-Idle Battle is an exciting game with a Diablo-like RPG gameplay, lots of adventure fun, and a unique background story.