Engrave Boots - Brain Freeze
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
Engrave your boots with the Brain Freeze rune: Your Frost damage spells with chilling effects have a 20% chance to cause your next Fireball, Spellfrost Bolt, Balefire Bolt, or Frostfire Bolt spell to be instant cast and cost no mana.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.