Rumble Quest: An Epic Idle RPG Adventure with heroic pets, open-world anime gacha vibes, and nonstop fantasy battles

Enter **Rumble Quest: Epic Idle RPG**, a story-rich idle adventure where thrilling battles, ancient mysteries, and a powerful heroic pet system drive your journey. Explore a mystical realm filled with demons, bosses, and delusions that twist reality—perfect for fans searching for long-tail gems like “best idle RPG for mobile,” “fantasy auto-battle progression game,” and “anime-style hero collector.”

Heroes rumble through ever-changing chapters, unaware their grand quests are vivid illusions within a mental hospital. As the player, you join them in uncovering the truth behind their confinement, pushing forward with strategy, growth, and an addictive core loop. Whether you're chasing open-world anime gacha excitement or looking for an immersive RPG progression experience, your path to freedom begins here.

Dive into rich content, master powerful builds, and discover pets, skills, quests, and dominions that evolve as you play—online or offline.

• Epic Heroic War: Progress automatically with idle auto-battle, earn resources offline, equip unique gear, and unlock a diverse roster of adorable and fierce heroes.
• Heroic Pet Companions: Collect pets through summoning, events, or packages—each offering distinct abilities and stat bonuses to boost your hero.
• Mastery of Skills: Unlock and upgrade a wide skill tree, combining bonuses and abilities to shape your combat strategy.
• Kingdom Quest: Complete resource-rich quests to expand your power and open new pathways for hero enhancement.
• Castle Dominion: Level up through Dungeon and Academy challenges, logging in daily to maximize growth and rewards.