From Pathfinder Advanced Player's Guide, which isn't enabled.

Call to Arms

FOCUS 1

UNCOMMON AUDITORY CONCENTRATE CURSEBOUND EMOTION FOCUS MENTAL ORACLE

Cast

Area 20-foot emanation

Duration 1 minute

Trigger You are about to roll for initiative.

You cry out a call to arms, inspiring your allies to enter the fray. Each ally in the area gains a +2 status bonus to their initiative roll and gains temporary Hit Points equal to the spell's rank; these temporary Hit Points last for the spell's duration.

Heightened (6th) The bonus increases to +3.

Heightened (9th) The bonus increases to +4.

Spell Effect: Call to Arms

Pathfinder Advanced Player's GuideOGL