"Sacrificial rituals" refers to ceremonies or actions where offerings, often valuable items or even animals, are given up or destroyed as a symbolic act, usually to gain favor from a deity or to appease spiritual beings. Full definition
More than a thousand years ago ancient Maya went deep inside this cave to perform sacrificial rituals. (discovermagazine.com)
The Vedic search for unity was combined in the Brahmanic period with a quest for the cosmic power associated with sacrificial ritual. (religion-online.org)
Thus man and the universe could be related and harmonized by the proper sacrificial ritual. (religion-online.org)