Terra Armor is a craftable armor set crafted from armor themed around evil biomes, Dungeon, Jungle and Underworld. To craft it, any of the armor mentioned + 3 Terra Prisms are required to craft one piece. (7 are needed to craft all helmets including other pieces)
It consists of Terra Greaves, Terra Chestplate, and Terra Helm/Terra Visor/Terra Hood/Terra Mask.
The Terra Chestplate grants 22 defense and 5% increased damage; the Terra Greaves grants 22 defense, 10% increased movement speed and 5% increased damage. The Terra Helm grants 30 defense, 22% increased melee damage and 9% increased melee speed; the Terra Visor grants 6 defense, 24% increased ranged damage, 25% chance to not consume ammo and gives the effects of Night Owl and Hunter Potions; the Terra Hood grants 22 defense, +100 max mana, 17% increased magic damage and 15% increased magic critical strike chance and the Terra Mask grants 18 defense and 9% increased minion damage.
A full set provides 74 with Helm, 50 with Visor, 66 with Hood and 62 with Mask equipped. The set bonus grants stats depending on the helmet worn:
When worn with Helm; Your life regen is increased drastically, your melee speed is increased by 28% and getting hit by an enemy releases a terra sphere which homes on the enemy that damaged you.
When worn with Visor; Enemies are less likely to target you, your ranged critical strike chance is increased by 20% and attacking enemies with any ranged projectile may cause a terra bullet to be shot additionally at the targets.
When worn with Hood; You are granted with the effects of Mana Flower, your mana usage is reduced by 40%, and pressing the armor ability key causes 2 terra roses to grow on your sides that cause the enemies to drop mana stars when struck.
When worn with Mask; A terra crystal is summoned to fight for you. Pressing the armor ability key switches in between the crystal's 3 modes: Attack Mode makes the crystal to attack nearby enemies, Defense Mode makes the crystal to attack enemies that damaged the player and Support Mode makes the crystal boost your defense and life regen, at the cost of reducing your attack power.
- Terra Armor has an counterpart called Chaos armor, crafted from armor related to desert, snow, void, ocean and chaos biomes
- There is another piece of armor called Terra Face Paint, which also shares the same color palette as the armor, but doesn't give any stats when worn with this armor.