Defense reduces damage from non-player enemies.
The higher your level, the more defense is required.
To reduce incoming NPC damage by 1% requires 15 Defense at Level 1 and 71 Defense at Level 30.
Ice and Atomic Tanks increase Defense by 90% after a power is used.
Defense is an important stat for Tanks in PVE content.
The Iconic power Nanoweave Armor increases Defense by 200.
600 Defense is available in Weapon trees.
Other visible stats: