Part of Destiny: Nimble
Level 3
Attuned - Cold.
Gain the Stasis Spell School. If you have Stasis spells already, replace them with new ones.
Aura of Cold.
Adjacent enemies are Slowed until the end of their next turn. Your unused Frost Shield Temp HP last until the end of the encounter and can stack.
Level 7
Cold Fusion.
(1/encounter) Treat the damage of a non-stasis spell as a Stasis, and it Slows on hit.
Crystalline Aegis.
When your Frost Shield Temp HP is lost, cast Shatter for free on an adjacent enemy.
Level 11
Bitter Chill.
Your spells ignore the armored of creatures Hampered by you. +1 use of Cold Fusion.
Level 15
Deep Freeze.
Reduce the mana cost of all spells by 2 while you have any Temp HP from Frost Shield. +1 use of Cold Fusion, for a total of 3/encounter.