She claims that the proposed law would deal/strike a 'mortal' blow to many small businesses. [=would cause many small businesses to fail]
two gladiators locked in 'mortal combat' [=a fight that will result in the death of the loser; a fight to the death]
He's a big star now. He doesn't waste his time talking to mere/lesser 'mortals' [='people'] like you and me.
(..) What have I done? - Oh, God. - Weep not for the demon. No! Once again we are locked in mortal battle. They thought they knew how to cast out evil. - Praise God for our clarity. - Amen. Praise the innocent (..)2006 Silent Hill