Nether Armor is the Best armor. The Full Nether Armor gives you 800 defense and gives you +60 max Health so you have 80 hp. This Armor is also good against The Queen, because Pruple Powers can only hit you for 2 with this Armor on.
Defense + Extra Health List
Helmet Defense: 200 Helmet Health Boost: 15
Chestplate Defense: 200 Chestplate Health Boost: 15
Leggings Defense: 200 Leggings Health Boost: 15
Boots Defense: 200 Boots Health Boost: 15
The Nether Armor is dropped by The Nether Prince.