This spell does not have a direct equivalent in vanilla.
Protection from Acid
Level: 5
School: Abjuration
Sphere: Elemental, Protection
Range: Touch
Duration: 1 turn/level
Casting Time: 5
Area of Effect: 1 creature
Saving Throw: None
When a Protection from Acid spell is cast, the recipient receives complete protection from all acid-based attacks, whether magical or non-magical in origin. 100% of the damage from attacks like acidic dragon breath will be absorbed, and the target creature will become completely immune to the effects of spells such as Melf’s Acid Arrow and Acid Fog. Multiple castings of this spell are not cumulative.