Blizzard Boost is a support ability from Kingdom Hearts II. Blizzard Boost raises the effectiveness of the Blizzard spell. The level you learn it varies on the item Roxas picked during his Awakening. Equipping Mysterious Abyss will also grant the player this ability.
Blizzard Boost costs four AP to equip.
| Item | Level Learned |
| Sword | 39 |
| Shield | 59 |
| Staff | 31 |
