Although the assailant gives his victim compensation, the assailant is not pardoned by God until he requests forgiveness from him victim, as it says,  “And God came to Avimelech in a dream by night and said to him – Behold, you are to die... but now, return the man's wife,.. [and appease him enough] so that he will [even] pray for you.”

And from where do we know that if the victim does not forgive him that the victim is considered cruel? For it says “...Abraham prayed to God and God healed Avimelech...”