Breath of the White

Close-quarters spell
Daily
Target: 
1d2 nearby enemies in a group; breath weapon
Attack: 
Charisma + Level vs. PD
Hit: 
3d6 + Charisma cold damage.
Miss: 
Half damage.
3rd Level Spell: 
5d6 damage.
5th Level Spell: 
4d10 damage.
7th Level Spell: 
6d12 damage.
9th Level Spell: 
10d12 damage.
Breath Weapon: 

For the rest of the battle, roll a d20 at the start of each of your turns. On a 16+, you can use breath of the white dragon that turn if you wish.