Ruby Armor

Ruby Armor is a set of armor that can be purchased starting from the Nether biome. Purchasing the full set unlocks the Crimson Knight achievement.

Helmet

 * Cost: 100 Rubies
 * PPS: +320(2.0 and earlier) / +270(3.0) / +135(3.8 and later)

Chestplate

 * Cost: 50 Rubies
 * PPS: +192(2.0 and earlier) / +185(3.0) / +81(3.8 and later)

Leggings

 * Cost: 25 Rubies
 * PPS: +128(2.0 and earlier) / +120(3.0) / +54(3.8 and later)

Boots

 * Cost: 10 Rubies
 * PPS: +64(2.0 and earlier) / +60(3.0) / +22(3.8 and later)