Salen's Malison

You point to a creature in range and speak a word of power. The creature must succeed on a Charisma saving throw or have disadvantage on spell saving throws until the end of your next turn. This affects any and all saving throws they must make in that time frame, not solely against the casters spells. At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, you can target one additional creature for each slot level above 5th. The creatures must be within 30 feet of each other when you target them.