From LSWiki
[Spell :] Spiritual Hammer
[Level :] Two
[Reversible :] No
[Spheres :] Combat and Conjuring
[Components :] None
[Usage :] cast spiritual hammer
[Effect :] Casting spiritual hammer summons into existence a
magickal force that can be commanded to strike a
target a number of times based upon the skill of
the caster. Once the spiritual hammer has been
conjured the command 'hammer <target>' will
send the hammer flying at the target. In combat
the target will default to the cleric's current
attacker.