◇ Trillion goes through a cycle of "sleep" and "advancement."

Trillion, who holds 1 trillion HP, will go to "sleep" after successfully consuming part of the Underworld.

You will need to train the Overlords while Trillion is asleep, so that they can face it when it awakens.

Once awake, Trillion will start to advance, so that is when you will need to face Trillion to thwart its advancement.

◇ The battles are based on "dual turns."

The battles are conducted under "dual turn" rules where both the Overlord and the enemy will move at the same time. The game system features a grid-based simulation RPG with real-time elements.

Trillion has a number of minions in tow, and advances from the far end of the battlefield, headed towards the defense line.

You will need to defeat Trillion's minions, avoid its attacks, and inflict as much damage as possible before it goes past the defense line!

◇ 4 types of minions guard Trillion.

There are 4 types of minions that protects Trillion.

・Close-combat： Very powerful, and moves with concept of defeating their enemies.
・Ranged-combat： Maintains a distance and attacks from afar.
・Support： Supports other minions.
・Defense： Very resilient and obstructs the way to Trillion.

Minions are creatures that Trillion creates, so even when defeated, more can appear from Trillion.

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◇ Watch out for Trillion's next move!

All of Trillion's moves are known before it happens. Trillion's "skill," "attack range," and "amount of turns until activation" are displayed, so you will need to "escape," "defend," or "use skills" to counteract its attack.

Note that when the Overlord enters a certain range of attack, Trillion will activate various moves.

During the battle against Trillion, you will need to think of its attack range and the distance before it reaches the defense line, all the while inflicting damage and avoiding the attacks it unleashes.
Use the many skills you can gain from training to defeat Trillion!

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◇ Seal Trillion's moves by breaking its external shell!

Aside from the 1 trillion HP Trillion holds, each of its body parts have a set amount of HP, and once damage beyond that HP is inflicted, the shell of that body part can be destroyed.

Once the shell is destroyed, that body part is exposed and its moves are sealed for a certain period of time!

After a certain amount of time passes, the part recuperates, so a key part of strategy is to determine which body part to destroy so as to seal off its moves.

◇ The Overlord's trustworthy minions?

Besides the Overlord you control in battle, you can also bring along Devil Envoys as your minions who will fight in battle on their own accord. You can bring as many minions as you want so long as it is within the limit of the Overlord's CAP (Capacity) parameter.


These Devil Envoys are specialized anti-Trillion soldiers made with the souls of the Underworld denizens and the Anti-God Suit that Faust developed. The Anti-God Suits resists Trillion's miasma, thus allowing them to face Trillion.

◇ Turn Affection into Power!

Affection Points is a special system where the bond between the Great Overlord and an Overlord become power to use in battle. During the course of training, by interacting with the Overlords, the affections, thoughts, and feelings born are collected into the Ring of the Tyrant in the form of power. This power takes full effect once facing Trillion.

Affection Points are used during battle against Trillion in place of the Overlord's HP and MP, such as when taking damage or when using skills.

The more the Affection Points, the greater your chances are against Trillion!