enchantment mental 

Traditions occult, primal

Cast [>>] somatic, verbal

Range 30 feet; Targets your companion or eidolon

Duration 1 minute

You shroud the target in a powerful predatory aura and amplify its vocalizations. It gains a +1 status bonus to Intimidation checks. Once during this spell's duration, it can take the Thundering Roar action.

Thundering Roar [>] (auditory, concentrate, emotion, enchantment, fear, flourish, mental, sonic) The target unleashes a powerful vocalization. Each enemy in a 10-foot emanation takes 4d8 sonic damage with a basic Will save against your spell DC. A creature that fails its Will save is also frightened 1.

Heightened (+2) The status bonus to Intimidation checks increases by 1 (to a maximum of a +4 status bonus for an 8th-level spell), and the damage from the roar increases by 2d8.

Secrets of Magic, page 136.