Magic Armor Modifiers

Taunting - Wrath - Compels people to attack you.
Lifebinding - Cannot be removed by mundane means, Prevents its wearer from dying but not from falling unconscious.
Soulbinding - Cannot be removed by mundane means, Prevents its users soul from going on to the next life, or being otherwise captured or stolen.
Saving Grace - When the wearer would take fatal damage, they are just barely alive and conscious
Last Stand - When the wearer would die, they are kept barely alive and conscious and given a burst of adrenline which allows them to act immediately. 
Unyielding - Resists crowd control effects
Regenerative - Slowly heals its user over time. Most have daily limits。
Healing Burst - Triggered Bursts of Healing
Restorative - Slowly recovers stamina over time
Energy Burst - Triggered Bursts of Stamina
Reservoir - Gemstone infused to store mana. Some even regenerate there own mana.
Agile - Increases dodging
Flexible - Reduces encumbrance - Water
Nimble - Allows its user to move after being attacked
Weightless - Reduces encumbrance - Air
Padded - Resists Blunt
Plated - Resists Pierce
Scaled - Resists Slash
Grand - Resists All
Resistant - Resists specified elements
Absorptive - Captures and stores elemental energy
Adaptive - Grows greater in resistance of thing it is being attacked by
Reparative - Repairs itself
Fortified - Harder to break - Earth
Flare - Upon being struck releases blinding sparks - Light
Enflamed - Area of effect fire - Fire
Invisible/Illusiory - Dark
Spiked - Retaliates against melee attackers
Deflective - Blocks Ranged attacks. Powerful ones can even send them back
Mirrored - Blocks and Reflects Elemental Energy