The father had the authority to sell the children for sacrificial rituals.

Bryce starts the sacrificial ritual, but Angel and crew interrupt.

It's a very ancient glyph which was often used to describe sacrificial rituals.

This change from more supernatural ideas methods to naturalistic ones is present also in aspects of law other than completely sacrificial rituals.

Tiberius, however, refused to take anything else save some incense used for sacrificial rituals.

Most of the sacrificial rituals took more than two people to perform.

Aztec priests would use the plant in sacrificial rituals.

"You're expecting some sort of sacrificial ritual down here, right?"

Republican presidents rely on a slightly less cruel sacrificial ritual for their problems.

The reference to the change in sacrificial ritual may also reflect some historical memory.