make the final/supreme/ultimate sacrifice

:  behave, act

:  to begin or seem to begin (an action)

:  to cause to happen to or be experienced by someone

:  the manner or style in which a thing is constructed

:  brand

:  the physical, mental, or moral constitution of a person

:  not to be altered or undone

:  of or relating to a concluding court action or proceeding

:  coming at the end :  being the last in a series, process, or progress

:  something that is final: such as

:  highest in rank or authority

:  highest in degree or quality

:  ultimate, final

:  most remote in space or time :  farthest

:  last in a progression or series :  final

:  eventual

:  something ultimate

:  fundamental

:  acme

:  end

:  an act of offering to a deity something precious

:  the killing of a victim on an altar

:  something offered in sacrifice

:  to offer as a sacrifice

:  to suffer loss of, give up, renounce, injure, or destroy especially for an ideal, belief, or end

:  to sell at a loss