Though there are lots of new Mage Runes that complement those introduced in Phase 1 and Phase 2, and in Phase 3, some of these older Runes may have been removed and replaced, or changed entirely.

Engrave your belt with the Spellfrost Bolt rune: Launches a bolt of spellfrost at the enemy, causing (* 203 / 100) to (* 237 / 100) Spellfrost damage and slowing movement speed by 40% for 9 sec.