Cone of Old

A blast of musty air erupts from your hands. Each creature in a 60-foot cone must make a Wisdom saving throw. On a failed save, they age [roll]2d20[/roll] years and take [roll]4d10[/roll] psychic damage. In addition, they are also Stunned until their next turn.

A creature killed by this spell becomes mummified.

At Higher Levels. When you cast this spell using a spell slot of 6th level or higher, the damage increases by [roll]1d8[/roll] for each slot level above 5th.