The angel army led by Feldway had already disintegrated.
But the threat has not disappeared.

Berzado, the eldest daughter of the dragon family whose purpose cannot be read.
The rampant jungle and the Feldway that controls it.
In addition, there is the existence of the worst beast, the 『Dragon of Destruction』 Ibaraje.

All of this was directly linked to a world crisis.

In an unpredictable situation,
Tempest's companions are fighting in various places, believing in Rimuru's return.

And finally, the worst beast begins to move.