Air Surge, a pay-to-play magic spell, is the strongest air spell and fourth strongest elemental spell in the standard spellbook. This spell requires five air runes to cast. Without boosts, the maximum damage of this spell is 768 + the Magic level of the caster. An air staff or armadyl battlestaff gives the player unlimited casts.
- These spells were added to the spellbook in the 17 November 2009 update.
- On 24 June 2010, all of the elemental spells received a graphical make-over.
- As revealed during Salt in the Wound, Kennith has the ability to cast Air Surge.
- Prior to the Evolution of Combat changes, this spell was called Wind Surge and required 7 air runes, 1 death rune and 1 blood rune.