Why did Musa the seer kill the two innocent children in the book "Let me alone" by John Kargbo ". ?

In the book "Let me alone" by John Kargbo, Musa the seer killed the two innocent children because he believed that their deaths were necessary sacrifices to appease the spirits and bring about a desired outcome. Musa was a deeply superstitious and traditional man who believed in the power of rituals and sacrifices to influence events and protect his community. In his mind, the deaths of the children were a small price to pay for the greater good of the village.