Turnbane

This spell protects undead creatures in the service of the priest.  The cleric can protect one undead/ level for a period of 3 rounds per level of the caster.  The turning cleric must do a saving throw vs. Wisdom against the caster's spell DC. The undead must remain within 30' of the cleric to gain the benefits of this spell.

At Higher Spell Slots: Casting this spell at a 4th level slot will put 2 undead/level under its influence and add 10' to the radius to 40' etc...