Manga Volume 3

 is the third volume of the manga adaptation of That Time I Got Reincarnated as a Slime.

Synopsis
OGRE BATTLE

After taking on the will and form of the Conqueror of Flames, Rimuru gains new, incredible skills and continues his journey to improve the conditions of his subordinates. But before long, Rimuru hears a distress call and finds his companions crushed by a motley crew of ogres! What quarrel do these menacing ogres have with Rimuru and the residents of the goblin village? And has Rimuru finally met a group of foes able to contend with his seemingly overpowered abilities?

Chapters

 * Chapter 12: Mighty Foes in the Forest of Jura
 * Chapter 13: Ogre Attack
 * Chapter 14: The Ogres' Story
 * Chapter 15: An Anomaly in the Forest
 * Chapter 16: Gabiru Arrives!
 * Chapter 17: Gobta vs. Gabiru

Bonus Short Story
 * Veldora's Slime Observation Journal: Stunning Developments