Ancient shield of Total cover

Dwarve made adamantium shield.

Takes an action to activate.

At the sound of a chosen magic word and after beeing put vertically on the ground, the Shield deploys and becomes a barricade. There is room for two medium or large size character behind it.

The holder can't be targeted directly by an attack or a spell, although some spells can reach such a target by including it in an area of effect. 

Shields require the Utilize action to Don or Doff. You gain the Armor Class benefit of a Shield only if you have training with it.