They were.

Matthew 9:33
And when the demon had been driven out, the man began to speak. The crowds were amazed and said, "Nothing like this has ever been seen in Israel!"

Matthew 12:22, 23
Then a demon-possessed man who was blind and mute was brought to Jesus, and He healed the man so that he could speak and see. . . .

Mark 1:27
All the people were amazed and began to ask one another, "What is this? A new teaching with authority! He commands even the unclean spirits, and they obey Him!"

Mark 7:37
The people were utterly astonished and said, "He has done all things well! He makes even the deaf to hear and the mute to speak!"

What.

Luke 4:32
They were astonished at His teaching, because His message had authority.

Luke 10:17-20
The seventy-two returned with joy and said, "Lord, even the demons submit to us in Your name." . . .

Mark 16:17-20
And these signs will accompany those who believe: In My name they will drive out demons; they will speak in new tongues; . . .

Acts 19:12-16
so that even handkerchiefs and aprons that had touched him were taken to the sick, and the diseases and evil spirits left them. . . .

they come.

1 Peter 3:22
who has gone into heaven and is at the right hand of God, with angels, authorities, and powers subject to Him.