Defense Towers

Defense Towers are placeable items that will protect your base from invasions. They have 3 levels: Post-Skeletron, Early Hardmode, and Mid-Hardmode. All of them require: 5 Iron/Lead Bars, 20 Wire and 1 Diamond for level 1, 4 Cobalt/Palladium Bars, 25 Wire, and 1 Diamond for level 2, and 4 Chlorophyte bars, 30 Wire, and 2 Diamons for level 3.

Level 1
Requires a Magic Missile. Shoots out a a projectile identical to the Magic Missile's every 2 Seconds, and does 25 Damage.

Level 2
Requires a Magic Missile. Shoots out a homing projectile every 2 seconds that does 35 Damage, and has a 15% chance to slow the enemy.

Level 3
Requires a Rainbow Rod. Shoots out 2 homing projectiles every second that do 40 Damage, and have a 60% chance to inflict slowness.

Level 1
Requires a Healing Potion. Shoots out a bolt of magic every 3 seconds that heals 15 Health.

Level 2
Requires a Greater Healing Potion. Shoots out a bolt of magic every 2 seconds that heals 20 Health, and gives Regeneration for 5 seconds.

Level 3
Requires 5 Ectoplasm. Shoots out 3 bolts of ghostly magic every 2 seconds that heal 25 Health, and give regeneration for 7 seconds. Anybody on your team that goes within 15 blocks of the tower take 10% less damage.

Level 1
Requires an Ironskin Potion. Any player that is within 20 blocks will have 4 more defense, and 5% increased stats.

Level 2
Requires 3 Souls of Light. Any player that is within 25 blocks will have 7 more defense, take 5% less damage, and have 10% increased stats.

Level 3
Requires a Lihzard Power Cell. Any player that is within 35 blocks will have 10 increased defense, take 10% less damage, have 12% increased stats, and will heal an additional 2 health every second.

Level 1
Requires a Wand of Sparking.

Level 2
Requires a Flamethrower.

Level 3
Requires a Heat Ray.

Level 1
Requires a Snowball Cannon.

Level 2
Requires a Frost Staff.

Level 3
Requires a Blizzard Staff.

Level 1
Requires a Blow Pipe.

Level 2
Requires a Dart Rifle/Gun.

Level 3
Requires a Venom Staff.