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Security Spider is a Robot similar to the Iron Spider, but stronger. They are found in Ancient Locations such as Ancient Labs and Lost Armouries.

Their strength stat is fairly high, causing most characters to stumble and allowing them to penetrate most blocks. Being robotic, they are incapable of eating and will thus not eat your character upon KO. However, they usually don't leave the area as they typically spawn in fairly small, enclosed spaces, so be careful about getting back up if you regain consciousness. On top of all of this, they tend to gang up on the player, so fighting in a group against these can be a valuable strategy, if only to distract the spiders so they don't all prioritize one person.

Attributes Level
Melee Attack 60
Strength 60
Dexterity 60
Toughness 60
Teen (0.40x) 40 days
Adult (0.60x) 60 days
Elder (1.10x) 110 days

The Statistics here are taken from FCS. Players should be aware that animal characters level up as they grow, and may be stronger or weaker depending on their current age.
Death Items
Removing these items from the creature will kill it instantly.

Item Quantity Average Price
Electrical Components.png
Electrical Components 4 216
Iron Plates.png
Iron Plates 6 135
Skeleton Muscle.png
Skeleton Muscle 1 1,944

 Health Statistics[]

  • Hunger rate: 0
  • Vision Range mult: 1
  • Blood: 250
  • Bleed rate: 0.5
  • Heal rate: 1
  • Extra attack slots: 2


  • Speed: 6-12 mph
  • Combat Move Speed Mult: 1


Body Part Total Health Chance of Hitting
Head 120 150
Chest 120 150
Stomach 120 100
Right Foreleg 120 100
Left Foreleg 120 100
Right Leg 120 50
Left Leg 120 50