*The Latonans have technologically regressed since the Sentinel was built long ago. No one knows how it works, but the Caretaker has always watched over it. When Daniel translates the symbols on the device as "Life Energy, Two as One," Kershaw recalls the Caretaker, a hermit encountered on their earlier mission. He had taken them by surprise, and Grieves had killed him. Now Grieves comes to understand the mysteries of the Sentinel. As Jaffa forces surround them, Grieves touches the device, two life forces, man and machine, joined as one, and the Sentinel activates. The Goa'uld invaders are enveloped in a blinding light, and vanish.
*Source: Back of card