That Time I Got Reincarnated as a Slime Chapter 138 Spoilers & Manga Raw

In chapter 138, an unprecedented crisis strikes the Monster Federation Tempest. Rimuru detects massive energy from another dimension and immediately convenes his inner circle. The mastermind is a remnant of an ancient demon lord, capable of warping the very fabric of space. As Rimuru attempts to stabilize the area using Raphael, the enemy’s Void Wave shatters his defenses. Facing total annihilation, Rimuru makes a desperate gamble: he triggers a magical overload, using his own body as a vessel to consume the enemy’s core directly. The final scene shows Rimuru emerging from the mist in a terrifying new form, his eyes burning with god-like power. The battle has escalated beyond the survival of Tempest, evolving into a mythic conflict that will decide the fate of the entire world.