Erky Timbers

The acolyte is a 1st-level spellcaster. Its spellcasting ability is Wisdom (spell save DC 12, +4 to hit with spell attacks). The acolyte has following cleric spells prepared:

Cantrips (at will): light, sacred flame, thaumaturgy

Level 1 (3 slots): bless, cure wounds, sanctuary

Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 2 (1d4) bludgeoning damage.

Erky presents his holy Symbol and speaks a prayer censuring the Undead. Each Undead that can see or hear Erky within 30 feet of him must make a DC 12 Wisdom saving throw. If the creature fails its saving throw, it is turned for 1 minute or until it takes any damage.

A turned creature must spend its turns trying to move as far away from Erky as it can, and it can't willingly move to a space within 30 feet of him. It also can't take reactions. For its action, it can use only the Dash action or try to escape from an effect that prevents it from moving. If there's nowhere to move, the creature can use the Dodge action.