* Crimson [[Crimsone Rune]] - Beam increases in damage the longer it remains in use, to a cap.

* [[Indigo Rune]] - Wizard is surrounded by a swirling vortex of sleet, damaging any foes that come into contact.

* [[Obsidian Rune]] - Decreases beam damage, but increases reduction in target movement and attack speed.

* [[Golden Rune]] - Arcane Power cost reduced.

* [[Alabaster Rune]] - Enemies slain by Ray of Frost have a chance to leave an area of ice on the ground where they die, damaging other enemies if they move through it.