Skill description
Reinforce your shield, allowing you to automatically block all attacks and reflect all projectiles cast at you at no cost for 6 seconds.
New effect
You also reflect all projectiles cast at you.
Spell Wall is a skill located in the One-Handed and Shield (which can be found in the Weapon skill tree). Spell Wall is an ultimate. Spell Wall is a morph of Shield Wall.
ESO Skillbook