The game is a tower defense game in which players build defense towers by producing population and mana to earn costs.
Eleven giant bosses can be summoned as friends by defeating them, and they support you with their unique magic.
There are 3 difficulty levels, 35 original BGM songs, and all bosses have their own BGM, for a total of 65 voluminous stages.

Summon giant bosses by defeating them!

You can summon them by producing MANA.
They have a variety of unique attacks, so be sure to use them according to the situation.

**Unicorn**
It recovers defenders in the range. Also, increase MANA gotten in MANA Tank.
When you raise its level to the maximum, it will heal in range.

**King Goblin**
It does the magic that makes Goblin species betray with a certain probability.

**Master Penguin**
It does the magic that freezes the enemy and slows them down.
When its level is raised to maximum, its speed is reduced by 65%.

**King Ogre**
It summons powerful ogres as defender.
The ogre is not only strong, but also has a large number of blocks, so it can function as a wall.

**Siren**
Singing voice charms flying enemies,reduces speed of them.
Enchanted enemies have a higher drop rate of treasure chests.

**Stone Golem**
It smashes enemies with a projectile attack that boasts an overwhelmingly long range.
It has a long range that covers half of the screen.

**Evileye Queen**
It does the magic that causes instant death to the enemy.

There are many other summoners that support you with powerful magic.

138 achievements are supported.
You will receive coins for unlocking these achievements.
You can spend the coins you earn to enhance your spells.