Contaminated Biome

After the Golem is defeated the Contaminated Biome Spawns.
The biome is underground and infected blocks turn brown and need a pickaxe equal to adamantite or higher.
Monsters
Infected Skeleton
HP : 250
Attack : 45
Defense : 100
Beetle Egg (Rare)
HP : 2000
Defense : 76
Realeses 3 Infected Beetles on Death.
Infected Beetle
HP : 500
Attack : 65 (35 If Defending)
Defense : 25 (45 If Defending)
Goes into defend mode after losing Halve HP.
Has a 25% Chance to Drop 1-4 Beetle Husks.
Infected Worm
HP : 950
Attack : 80
Defense : 0
Cursed Boulder (Uncommon)
HP : 1000
Attack : 150
Defense 225 (15 if hit by pickaxe.)
Rolls on the ground and can jump.
Infected Hugger (Its a spider..)
HP : 325
Attack 80 (100 for a Infected Spit Attack.
Defense : 0
All monsters drop Soul of Fight, which can be used as a subsitute for any kind of soul.
Use 50 to make the Infected Skull.
Infectinator (Summoned by the Infected Skull)
HP : 50,000
Attack : 100 (250 if Spinning)
Defense : 75 (25 if Spinning)
Infectinator Hand
HP : 5,000
Attack : 78
Defense : 32
States : 
Open Hand : Inflicts slow debuff.
Charged Hand : Takes turns charging at the player every 30 Seconds.
Drops : 35-40 Skyrite, 50 Dark Protoplasm, and 13-28 Soul of Fight.
Items
Infected Ore
Appears in clumps of 2 or 3.
Infected Bar
Made with 1 Beetle Husk and 3 Infected Ore.
Beetlewood
Made with 1 Beetle Husk to made 15.
Deadly Edged
171 Melee Damage
No Knockback
Slow Speed
Made with 10 Infected Bars, 60 Souls of Fight and 5 Beetlewood
The Depth Staff
98 Magic Damage
Insane Knockback
Insanely Fast Speed
Tooltip : Spews out boulders.
Uses 10 Mana per second.
Made with 50 Soul of Fight, 15 Infected Bars and 15 Beetlewood
Death Star (Throwable)
121 Ranged Damage
No Knockback
Fast Speed
Tooltip : Pre-Hardmode enemies take 2x Damage.
Made with 2 Beetlewood and 1 Infected Bar to make 25.
Dark Star Staff
325 Magic Damage
Average Knockback
Snail Speed
Uses 50 Mana
Tooltip : Makes beam with a star pattern that deals massive damage.
Made with 15 Beetlewood, 50 Soul of Fight and 20 Infected Bars.