Game data updates to the wiki have been started.
A system has been added that will automatically add divination cards and other items to the item acquisition sections where appropriate. Entries added by this system will be shown as automatic in the item acquisition section.
Some pages will need to be updated to include
upgraded_from_disabled=true if they are not eligible for the system.
Some further details on what needs to be done can be found on Path of Exile Wiki:To-do list/Automatic upgraded from and issues can be posted on the talk page.
+1% Chance to Block Attack Damage for each time you've Blocked in the past 10 seconds
80% increased Physical Damage if you've Blocked Damage from a Unique Enemy in the past 10 seconds
+4% to maximum Chance to Block Attack Damage 
Violent Retaliation is a notable Ascendancy passive skill for the Gladiator that grants increased maximum block chance and increased physical damage and block chance for each hit blocked in the past 10 seconds. It also grants a large amount of physical damage bonus if you have blocked a hit from a unique enemy in the past 10 seconds.