The explorers had been attacked by the Murhapas.

King Haffgo must have given the order.

He had violated his pledge for the first time in his life.

Great was his provocation! The bosom of the giant heaved with indignation.

He stood glaring like a lion at the keepers who are torturing his mate to death, while he is barred within the cage and cannot rush to her help.
Then, wheeling about, he broke into a run straight for his home, whence came the shots that left no doubt that Professor Grimcke, Jared Long, and perchance their servants were fighting for their lives.
The chieftain had not far to go, and half the distance was passed, when he paused as suddenly as he had started.