Hunger of Hadar

Casting time: 1 action
Components: V, S, M - octopus tentacle
Range: 150 feet - 20-foot-radius sphere
Duration: Concentration, up to 1 minute
Damage: Cold - {ut} of each affected creature

Area of Effect — Difficult Terrain, Blinded
{t} Dex Save: {p/r} 2 d6 acid damage