Ruby Aurora is a Seren spell, unlocked by completion of The Light Within. It has a 5% chance of activating when using abilities, and increases to 10% when Light Form is on. When it activates, it provides a buff to every non-Ironman player that has Accept Aid on within 5x5 area of the caster, but not to the caster themselves. This buff increases damage dealt by 1% and lasts for 24 seconds. It can stack up to 3 times for a total increase of 3% damage. The base damage of this spell is 777, and it scales up to 864 at 90 Magic.

Spell cost

Input	Cost
31	1,822
Combo runes
13	4,243
13	4,378
13	4,342
Staves
1	1,345
1	1,345
1	1,345
1	1,345
1	1,345

Trivia

• Each of the Auroras requires a higher magic level than the previous one, and their order coincides with the order of gems in the game starting at opal and ending at ruby.

v • d • e Ancient Magicks
Rush spells	Smoke  Shadow  Blood  Ice
Burst spells	Smoke  Shadow  Blood  Ice
Blitz spells	Smoke  Shadow  Blood  Ice
Barrage spells	Smoke  Shadow  Blood  Ice
Other combat spells	Polypore Strike
Teleports	Bounty  Paddewwa  Senntisten  Kharyrll  Lassar  Dareeyak  Carrallengar  Annakarl  Ghorrock
Aurora spells	Opal Aurora  Sapphire Aurora  Emerald Aurora  Ruby Aurora
Prisms	Prism of Restoration  Prism of Salvation  Prism of Loyalty  Prism of Dowsing
Other Seren spells	Intercept  Shield Dome  Crystallise  Rapid Growth  Crystal Mask  Spellbook Swap
Miasmic spells (discontinued)	Rush  Burst  Blitz  Barrage
By spell kind	Blood spells Ice spells Shadow spells Smoke spells