Bursting Chromatic Orb

You hurl an 8 inch diameter orb at a creature that you can see within range which then explodes outwards with colorful energy. When you cast the spell choose a damage type acid, cold, fire, lightning, poison, or thunder. Make a spell attack against a target within range. On a hit, the target takes 8d8 damage of the chosen type and a 30 foot cone of energy in the direction of the original attack bursts forth from them. Every creature in the area must succeed on a saving throw, the type of which is determined by the damage type.

Acid: Dexterity save or take 4d6 acid damage and the creature takes an additional 4d6 if they willingly move before the start of your next turn.

Cold: Dexterity save or take 4d6 cold damage and have their speed reduced to zero for one minute. A creature can use their action to make a strength check against your spell save DC, ending this effect on a success.

Fire: Dexterity save or take 4d6 fire damage and be ignited for one minute or until a creature uses its action to douse the flames. An ignited creature takes 1d6 fire damage at the beginning of its turns until the flames are put out.

Lightning: Dexterity save or take 4d6 lightning damage and be stunned until the beginning of your next turn.

Poison: Constitution save or take 4d6 poison damage and be poisoned for one minute. A poisoned creature can make a save at the end of each of its turns, ending the effect on a success.

Thunder: Constutution save or take 4d6 thunder damage and be deafened for one minute.

The initial target must make the saving throw against the additional effect, but does not take the additional damage.

When you cast this spell using a spell slot of 7th level or higher, the initial damage increases by 1d8 for each slot level above 6th