This article originally appeared on grandparents.com. To learn more click here.

Would you have the skills and resources to survive if modern conveniences suddenly disappeared? In the reality series Doomsday Castle, one “prepper,” a former Army Infantry Training Officer known only as Brent Sr. (pictured, center), takes his children to task over disaster preparedness by summoning them to build a castle in the Carolina wilderness.

The goal: to teach them how to survive a massive power grid failure. Think you have what it takes to make it, if the lights go out? Brent Sr. shares his essential survivalist skills.

{{slideNumber(index)}}

{{slide.title}}

{{slide.title}}

{{slide.caption}}
{{slide.credit}}