Chilling Aura. Any creature that starts their turn within 15 ft. of the shaman takes 1d4 + 3 cold damage.

Ice bolt. Ranged Spell Attack: +5 to hit, range 60/90 ft., one targets. Hit: 20 (4d6+6) cold damage.

Freeze. A 30 foot radius sphere originating from a point the shaman chooses within 90 ft. appears. Anyone in the sphere when it appears takes 13 (4d4+3) cold damage. In order for the sphere to persist, the shaman must maintain concentration. The sphere remains there until the shamans concentration is broken. The area the sphere occupies is difficult terrain, and any creature who ends their turn in the area takes 5 (2d4) cold damage.

Deep Freeze 1/Day. A 60 foot radius sphere originating from a point the shaman chooses within 90 ft. appears. Anyone in the sphere when it appears takes 19 (2d12+6) cold damage. In order for the sphere to persist, the shaman must maintain concentration. The sphere remains there until the shamans concentration is broken. The area the sphere occupies is difficult terrain, and any creature who starts or ends their turn in the area takes 7 (2d6) cold damage. Any cold damage dealt in this sphere is dealt to everyone inside.