This spell does not have a direct equivalent in vanilla.
Animal Growth
Level: 5
School: Alteration
Sphere: Animal
Range: Long
Duration: 3 turns
Casting Time: 5
Area of Effect: 30’ radius
Saving Throw: None
When this spell is cast, the caster causes all friendly animals within range to become tougher, stronger and more tenacious. The alteration grants +2 bonus to attack rolls, damage rolls, armor class and saving throws. It also increases the recipient’s hit points by 50%, and these bonus hit points are lost first when the recipient takes damage. Multiple castings of this spell are not cumulative.