
Arena
Arena is a competitive content where commanders battle each other.
Arena opens after receiving treasure chests in Chapter 4 of the main Adventure.
5 free challenges are given everyday.
Arena runs from Monday KST 05:00 to Sunday 23:59 every week. (UTC+9).
1) In The Spirit Invasion, commanders breach the opponent's pre-set defense units to defeat their commander for victory.

Winning in The Spirit Invasion earns points, and every 30, 60, and 100 points earned grant Blackstone Crystals as rewards. Additionally, based on points accumulated per season, rankings are determined, and corresponding ranking rewards are given. 1st place to 3rd place in rank grants profile frames as Season Reward.
▶The Lightless Lands (Dungeons)
The Lightless Land is divided into three parts: The Bottomless Remorse, The Resonating Treasury, and The Wailing Slums. In the Lightless Land, you can acquire hero XP, Tarot Dust Particles, and Neikiro Silver coins.

1) The Bottomless Remorse
Opens after clearing Chapter 5. Here, you can obtain hero XP, with only ground units appearing.You get two free attempts daily, and additional attempts cost Blackstone Crystals, with the amount depending on the difficulty.
2) The Resonating Treasury
Opens after clearing Chapter 9. Here, you can acquire Neikiro Silver Coins. Flying monsters primarily appear here.
Like The Bottomless Remorse, it has multiple rounds, and the number of monsters increases with each round.
You get two free attempts daily, with additional attempts costing Blackstone Crystals, the cost increases with difficulty.
3) The Wailing Slums
Opens after clearing Chapter 10.
Here, you can acquire Tarot Dust Particles. Monsters here primarily inflict powerful damage on allies.
Similar to the other parts, it has multiple rounds, with increasing monsters per round.
You get two free attempts daily, with additional attempts costing Blackstone Crystals, with the quantity increasing with difficulty.
※ Number of participating limit in The Lightless Lands content can be increased daily through Daily Luck, and Monthly Plans.
※ Free challenge attempts in the Lightless Lands content resets daily at 00:00.
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