Ice Breaker

The Ice Breaker is a ring that is found in Kingdom Hearts 358/2 Days. It symbolizes Vexen.

Kingdom Hearts 358/2 Days
The Ice Breaker can be synthesized for 12500 munny once Roxas is promoted to Legend rank.
 * 1 Orichalcum
 * 8 Moonstone
 * 2 Frost Crystal
 * 3 Frost Gem

Etymology
An "icebreaker" is a game or exercise which people perform in order to get comfortable with one another.