Eye of Cthulhu - ID 4

Listed here is npc info for Eye of Cthulhu showing hit point, damage, defense and other location information from Terraria.

Eye of Cthulhu, is the second recommended boss to take down after you defeat King Slime. It can spawn randomly if a player has 200+ HP, at least a couple of NPCs stationed at buildings and hasn't already been defeated. You can also summon it by using a crafted item called Suspicious Looking Eye at night.

NPC Stats

• Hit Points - 2800 Normal / 3640 Expert
  Second Form - 1400 Normal / 1820 Expert
• Damage - 15 Normal / 30 Expert
  Second Form - 22 Normal / 45 Expert
• Defense - 12
  Second Form - 0

Loot Drops

• 4 Gold Coin
• Shield of Cthulhu (Expert Mode)
• Some Lesser Healing Potions
• 1-3 Corrupt or Crimson Seeds (depending on world)
• Many Demonite Ore or Crimtane Ore
• Many Unholy Arrows
• Eye of Cthulhu Mask - low chance to drop
• Binoculars - very low chance to drop

For T-Shock servers you can use the following command to spawn Eye of Cthulhu, type /spawnmob 4 1
Note the format is /spawnmob id# #  (so you put ID number then another number for how many you want to spawn in one command).