0.5.5e
Gaining a percentage of stat A as stat B is calculated from the base value of stat A. The portion gained scales with percentage modifiers to stat B, but not with percentage modifiers to stat A. For example, if you gained 50% of Evasion as Armour, the portion gained would be scaled by percentage modifiers to Armour, but not by percentage modifiers to Evasion.
Gains 100% of Life and Mana Cost as Extra Runic Ward Cost
Supported Skills Gain 100% of Life and Mana Cost as Extra Runic Ward Cost
Supported Skills Gain 20% of Life and Mana Cost as Extra Runic Ward Cost
Supported Skills Gain 25% of Life and Mana Cost as Extra Runic Ward Cost
Gain 5% of maximum Life as Extra maximum Runic Ward
Gain 15% of maximum Life as Extra maximum Runic Ward
Gain 2% of maximum Life as Extra maximum Runic Ward