Description

As you call out words of restoration, up to six creatures of your choice that you can see within range regain hit points equal to 1d4 + your spellcasting ability modifier. This spell has no effect on undead or constructs.

At Higher Levels. When you cast this spell using a spell slot of 4th level or higher, the healing increases by 1d4 for each slot level above 3rd.

Mass Healing Word appears in System Reference Document 5.1. Text from the SRD 5.1 by Wizards of the Coast, CC BY 4.0.