The Frost set is a set of equipment that helps the user do 
Cold damage. It consists of the following pieces:
Mourning Frost : When the wearer deals Cold damage, they deal 1 more Cold damage and can also inflict 
on the target(s).
Coldbrim Hat : applying any condition can apply 
.
Icebite Robe : Resistance to Cold damage and cast Armour of Agathys.
Winter's Clutches : Cold damage inflict 2 turns of upon the target(s).
Snow-Dusted Monastery Gloves : Chilling Strike (
deal Cold damage), can cast 
spell.
Hoarfrost Boots : cannot fall 
while traversing icy terrain.
Frost Prince : can cast spell.
Snowburst Ring : create a 4.5m / 15ft circle of Ice around the target(s) when dealing Cold damage.