Combine the Engineer (Energy Shield/Electric) with the Huntress (Frost Arrows).
I can provide more specific stat blocks or code snippets if you can clarify the platform. Potential INSTA KILL Build?! Yet Another Zombie Survivors! Zombie Survivor! Hack
When searching for supplies, players roll a "Scavenging Die." On a 1, their gear breaks or they attract a horde. Zombie Survivor! Hack