Attribute Requirements of Gems can be satisified by your highest Attribute

+1% to Maximum Cold Resistance per 4 Blue Support Gems Socketed +1% to Maximum Fire Resistance per 4 Red Support Gems Socketed +1% to Maximum Lightning Resistance per 4 Green Support Gems Socketed

Inherent bonuses from Intelligence, Strength and Dexterity are doubled

Grants 3 additional Skill Slots

30% less Cost of Skills Skill Gems have 30% more Attribute Requirements

+1 to Level of all Skills

You can use two copies of the same Support Gem in different Skills

+10% to Quality of all Skills

Equipment and Skill Gems have 4% reduced Attribute Requirements

3% increased Attributes

+2% to Quality of all Skills