The Mastermind

The Mastermind (黒幕) is the fifty-ninth chapter of The Rising of the Shield Hero manga adaptation.

Synopsis
Ost has come up with a plan to stop the Spirit Tortoise. Everyone must work together to destroy the head and the heart at the same time to stop the tortoise or else Melromarc will be destroyed. Naofumi and the allied forces travel deeper to find the mastermind behind the guardian beast's corruption.

Summary
Naofumi and the allied forces travel the Spirit Tortoise's heart while they determine a battle plan. According to Ost, the heart will keep on regenerating no matter how much damage will be done. In order to stop the Spirit Tortoise, both the head and the heart need to be destroyed while the heart's regeneration must be stopped with a seal.

Just before Naofumi and the allied forces are able to destroy the heart, a trap is sprung. White balls that suck the energy of the attack force is released and fuel the heart's defensive energy beam. Naofumi defends the attack force while Filo reverses the energy drain and attacks the heart. Filo destroys the heart while Fitoria destroys the heads of the Spirit Tortoise. Queen Melromarc and the allied forces magic unit are able to seal the heart's regenerating. The Spirit Tortoise has been defeated.

Ost opens up the path to the core to find the core and the mastermind behind the Spirit Tortoise's corruption. At the bottom of the path, Naofumi and the allied forces find the missing legendary heroes captured. The mastermind reveals himself and boasts that he had captured the 3 legendary heroes.

Characters

 * Mirellia Q Melromarc
 * Queen's Shadow
 * Eclair Seaetto
 * Rishia Ivyred
 * Naofumi Iwatani
 * Raphtalia
 * Ost Horai
 * Filo
 * Itsuki Kawasumi
 * Shadows
 * Elrasla Ragnarok
 * Fitoria
 * Kyo Ethnina
 * Motoyasu Kitamura
 * Ren Amaki

Monsters

 * Spirit Tortoise
 * Filolial

Weapons

 * Legendary Shield
 * Legendary Bow
 * Legendary Spear
 * Legendary Sword
 * Vassal Book

Locations

 * Reiki

Differences from Light Novel
Information to be added later.

Trivia
Information to be added later.