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% additional Physical Damage Reduction per Minion, up to 10%
+3% to all Elemental Resistances per Minion, up to 30%
3% increased Recovery Rate of Life and Energy Shield per Minion, up to 30%
Minions have 20% more Maximum Life 
Bone Barrier is a Notable Ascendancy passive skill for the Necromancer that grants the user more maximum life to their minions and and grants the user physical damage reduction, elemental resistances, and increased life and energy shield recovery rate per minion summoned. It also grants the user the Bone Armour skill, a Guard Skill which grants a damage absorbing shield to the user and all their minions.