#1 - Aug. 23, 2010, 11:30 p.m.
Critical Rate = agility mod + items
Critical Damage = 200% + items
So if you had;
23% Critical from Agility
17% Critical from Skills
05% Critical from Items
And
25% More damage from criticals from items
45% Critical Chance @ 225% damage
Edit: Terrible, terrible wording.