An effective defensive structure to keep away unwanted intruders. It deals damage to enemy when they walk on it.
Spike is a defensive structure that deals 30 damage per second to enemies when they walk on its effective range. Will inflict damage to anyone stands in its range.
Protected by a toolbox if its placed adjacent to a protected building element.
Perfect structure to create a defensive perimeter around your settlement.
Damage Radius: 1.6 units.
Decays with 6 units in every hour.
Each hit costs 40 durability damage to the attacker's weapon.
It has 1000 durability points.
100x and 
5x.