Prime Cannon – Flies behind the boss, trying to stay close to the player. Every few seconds, it fires a bomb that flies through platforms and explodes upon hitting a solid block. The bomb does not deal damage on contact. It is not particularly dangerous if you are fighting the boss on platforms or in the air.
Prime Saw – Slowly flies behind the player, constantly trying to “saw” them. If it catches up with the player, it tries to stay there, dealing constant damage. One of the most dangerous arms, as it deals quite a lot of damage, and once it reaches you, it is difficult to get rid of.
Prime Vice – Flies behind the player, occasionally attacking them with piercing blows. Quite a dangerous arm, due to the fact that it deals relatively a lot of damage and is difficult to hit. However, its attacks are quite easy to dodge. Her metal “vice” grips are animated—they bend and unbend every 0.5-1 second;
Prime Laser—flies behind the boss, always aiming at the player. Every 2-4 seconds, it fires a red laser. Its touch poses no threat, but the laser is very dangerous, as it deals a lot of damage and is difficult to dodge.
Detailed characteristics of Skeletron’s arms:
Name Damage Health Protection
- Prime Cannon 51 / (projectile) 10500 23
- Prime laser 49 (touch) 100 (laser) 9000 20
- Prime saw 95 13500 38
- Prime vice 88 13500 34
Here are the drops that can drop after defeating the boss:
Item name Drop chance Quantity
- Soul of fear 100% 25-40 pieces
- Major Healing Potion 100% 5-15 pieces
- Holy Ingot 100% 20-35 pieces
- Skeletron Prime Trophy 10% 1 piece
- Skeletron Prime Mask 14.29% 1 piece
- Mechanical Minecart Battery (in Expert Mode) 100% 1 piece
- Mask of the Horned God (in console version). 14.29% 1 piece
