Mythos Tactics: Celestial Grimoire is a thrilling idle RPG card battler set in a breathtaking dark fantasy world. Immerse yourself in stunning Western dark fantasy visuals as you collect hundreds of legendary heroes from ancient myths, forge unstoppable teams, and conquer epic battles! Master the art of strategic card synergy, harness divine power from the Celestial Grimoire, and save a fractured realm from chaos—all while enjoying effortless idle progression that blends casual play with deep tactical depth. Key Features: 🔥 Unleash Mythic Power Summon SSR-tier heroes like gods and demons from global legends. Build ultimate squads with synergy-driven combat: tanks, mages, healers, and more! 🎮 Play Your Way Auto-battle & idle rewards: Progress even offline! Unique Talent System: Customize heroes with skill trees for infinite team combos. True Fair Play: Zero pay-to-win! Skill > spending. 🌟 Endless Content PVE & PVP Modes: Raid dungeons, climb leaderboards, and duel global players! Cross-Platform: Play seamlessly on mobile, PC, or browser—anytime, anywhere. Launch Rewards & Benefits: ✨ 10 FREE Summons on Day 1—Guaranteed SSS Hero! ✨ 30x Reroll Starter Pack—Build your dream team instantly! ✨ 999M+ Power Boost—Dominate early game with epic gear! Why Players Love It: ✅ Zero Grind, All Fun: Auto-farm resources while you sleep! ✅ Strategic Depth: Outsmart foes with hero combos and tactical positioning. ✅ Regular Updates: New heroes, events, and modes drop monthly! Tags: Idle RPG, Card Strategy, Dark Fantasy, Auto-Battler, Cross-Platform, PvP & PvE