Ways of saying sb is not injured

Unhurt

- He escaped unhurt from the explosion.
- The abducted boy was found unhurt in Kenya.

Unharmed
Without being injured.

- Many thought she was dead,but she was found unharmed.
- Surprisingly, she remained unharmed from the fall.

Unscathed
Without injuries or damages by something.

be, be left, emerge,come out, escape, get away, remain, survive, walk away.
- We all escaped unscathed.
- The soldier walked away from the explosion unscathed.
- The company came through the crisis apparently unscathed.
- The town center was left unscathed by the riots.
remarkably , completely, entirely, totally.
- Miraculously, the house remained entirely unscathed.

Come to no harm/Not come to any harm
(of someone,something)Not to be hurt or damaged.

- There is always a lifeguard to ensure that no one comes to any harm...
- I don't particularly like him,but I certainly don't wish him any harm.

Without a scratch
Without being damaged or injured

survive,emerged,escaped,come thorough,walk away
- He walked away from the accident without a scratch.
- They emerged from the wreckage without any scratch.
- He escaped from the fighting scene without a scratch.

In your piece
If someone or something is still in one piece after a dangerous journey or experience, they are safe and not damaged or hurt.

- After the terrible accident, I was surprised to see them in their piece.
- He came back from the dangerous mission alive and in one piece.

Walk away from
To come out of an accident or very bad situation without being harmed.

- Miraculously, both drivers walked away without a scratch.
- Most of the passengers walked away from the crash .