Rune Cage in ESO is a morph of the Rune Prison base skill that can be found in the Sorcerer, Dark Magic skill line.
Perfect Gallant Charge in ESO is an Ability Altering Set, that you can get in the Blackrose Prison Arena, in Murkmire!
Vesture of Darloc Brae in ESO is an excellent Support Medium Armor Set, that is a perfect option for Thief Builds.
Crushing Wall in ESO is an Ability Altering Set from the Maelstrom Arena, perfect for Magicka and Hybrid PVE Builds.
Arms of Relequen in ESO is a Medium Set, perfect for Stamina DPS and Hybrid Builds that you can get from the Cloudrest trial.