Healing for a loved one

Jeremiah 32:17
Ah Lord God! Behold, thou hast made the heaven and the earth by thy great, power and stretched out arm, and there is nothing too hard for thee:

Isaiah 53:5
But He was wounded for our transgressions, he was bruised for our iniquities: the chastisement of our peace was upon him; and with His stripes we are healed.

1 John 3:8
He that committeth sin is of the devil; for the devil sinneth from the beginning. For this purpose the Son of God was manifested, that he might destroy the works of the devil.

Matthew 18:18-20
Verily I say unto you, whatsoever ye shall bind on earth shall be bound in Heaven: and whatsoever ye shall loose on earth shall be loosed in Heaven.