劍與遠征

A classic idle RPG where you collect heroes to form a five-person team, automatically battle through stages, and accumulate resources while AFKing. Besides hero synergy, positioning, and faction counters, there are also Roguelike dungeons, Guild Bosses, and Arenas. The art style resembles exquisite fantasy illustrations. There's a sequel called 'AFK Arena: Journey' with a great art style that you can also try.