Protection

A traditional plate-wearing knight who uses their shield and sword to block damage and control their enemies.  A protection warrior is the master of the shield, using it to prevent and inflict large amount of damage.

 

And extremely useful tool for overall optimization

http://www.askmrrobot.com

WoWhead Protection guide

http://www.wowhead.com/protection-warrior-guide

Icy Veins Protection guide

https://www.icy-veins.com/wow/protection-warrior-pve-tank-guide

Noxxic Protection guide

http://www.noxxic.com/wow/pve/warrior/protection/