A mechanic's apprentice recovers a magical artifact, which makes him a target for demonic soldiers and a bounty hunter, and struggles to escape to a safe haven without being tracked there or losing the artifact.

Maybe just to make it a little bit more active:

After a mechanic’s apprentice recovers a magical artifact, he becomes the target of both a bounty hunter and demonic soldiers, he has x amount of time to get the artifact to a safe house before the bad guys do x to him.