Ripples on the Battlefield

Ripples on the Battlefield is the twenty-first chapter of the That Time I Got Reincarnated as a Slime manga adaptation.

Synopsis
Gelmud's servant informs him that the Orc Lord will soon rule the Jura Forest. Treyni reveals herself and introduces to them. She wants to know what their plans are, but as they refuse to tell her, she decides to punish them. She attacks, but Gelmud's servant protects him with the cost of his arm and allows Gelmud to escape. After Gelmud had escaped, his servant also manages to escape, leaving Treyni to hope that Rimuru will defeat the Orc Lord.

Arriving on the battlefield, Rimuru sees the lizardmen are surrounded by orcs and Gabiru is fighting an orc one-on-one. Meanwhile, Souei reaches the lizardmen ruler and his daughter informs him that they have formed an alliance and she is the lizardmen's representative. The ruler is happy that the lizardmen may be saved and sees that the orc general is about to attack Souei. Not wanting to let Rimuru's envoy dying, the ruler intends to sacrifice his life protecting him, however Souei explains its alright as the had immobilized the orc general already. Souei wonders if he can get information from the orc, but in the end decides to use him as a messenger. Meanwhile, Gabiru starts to lose his fight, but Gobta steps in. Ranga explains they are there to help under Rimuru's orders. A black fireball then appears, killing some orcs. Benimaru, Shion and Hakurou then show up preparing to fight the remaining orcs. The orcs realize they are ogre's but feel different. At the same time, Rimuru sees the Orc Lord.