Sitting Bull as hostiles those Sioux and others living off the reservation, Native Americans gathered at Sitting Bull's camp. He took an active role in encouraging this "unity camp". He sent scouts to the reservations to recruit warriors, and told the Hunkpapa to share supplies with those Native Americans who joined them. An example of his generosity was Sitting Bull's taking care of Wooden Leg's Northern Cheyenne tribe. They had been impoverished by Captain Reynold's March 17, 1876 attack and fled to Sitting Bull's camp for safety. Over the course of the first half of 1876, Sitting Bull's camp continually expanded, as
Sitting Bull encroachment and the depletion of buffalo herds reduced their resources and challenged Native American independence. In 1875, the Northern Cheyenne, Hunkpapa, Oglala, Sans Arc, and Minneconjou camped together for a Sun Dance, with both the Cheyenne medicine man White Bull or Ice and Sitting Bull in association. This ceremonial alliance preceded their fighting together in 1876. Sitting Bull had a major revelation. At the climactic moment, "Sitting Bull intoned, 'The Great Spirit has given our enemies to us. We are to destroy them. We do not know who they are. They may be soldiers.' Ice too observed, 'No one then