Since the demons came to earth due to a wizard's mistake, mankind has been defeated repeatedly and retreated to its last fortress. But it's not all over yet. The heroes are preparing for a last-ditch counterattack under the guidance of the holy sword. Command the expedition to reclaim the lost land to the demons. Now humanity's hope rests on your shoulders.

Turn-based battle on the 3x3 grid

■ Defeat your enemies by placing multiple heroes on a 3x3 grid. Heroes and enemies have various attack ranges. Minimize damage to our allies with effective deployment and strike out numerous enemies.

■ Heroes have attributes such as fire, water, wind, and so on, and fight through cards with individual characteristics. Hit the boss's weaknesses with attributes, and create dramatic synergy.

■ The relics you acquire from the adventure provide powerful, game-changing special effects. Complete your own combo with a combination of cards and artifacts. Which one to win depends on the episode!

More than a crossroads, free tile exploration

■ The world of the Lost Ground is not a single road. Exploration is all about forward, backward, and detour. Feel free to explore the world of hexagonal tiles and uncover the secrets of cursed land.

■ Ruins, mines, camps, shops, monsters, treasure chests... beyond the misted land, there are various opportunities and dangers. It's up to you to choose whether you're going to be staunchly strong in a safe way or take the risk and aim for a big reward.

■ Perform the quest and grow permanently with the characteristic points you receive as a reward. From simple farming quests to odd quests close to challenges, we have a wide range.

■ Is there a strangely hollow terrain? Dig. Is the monster blocking the road? Knock it out and dig it out. When you dig into suspicious areas, there may be unexpected encounters.

You'll be bored with cards or relics, right? So I prepared this.

■ Level up your hero by finding and killing monsters and earning experience points. Sufficient levelling up is required to earn top cards.

■ Acquire gear from adventure and equip it to hero. Head, torso, hands, feet, etc... Each area is given a different stat and each equipment has its own unique effect.

■ Some rewards, such as equipment, characteristics, etc., are carried over without disappearing over and over again. Try to challenge powerful enemies while growing permanently.