"Combat"@en . . . "Air Supreme"@en . "873"^^ . "Normal"@en . "Air Supreme is the strongest air spell in the normal spellbook. It is one of the only Air spells that requires just one casting Rune. Jagex did this because Void runes are extremely rare to get."@en . . "91"^^ . "Yes"@en . "Air Supreme"@en . . "Air Supreme is the strongest air spell in the normal spellbook. It is one of the only Air spells that requires just one casting Rune. Jagex did this because Void runes are extremely rare to get."@en . . "Air"@en .