Abilities of Aurelion Sol
Spell skill priority is an important winning factor for Aurelion Sol. Understanding the abilities of Aurelion Sol in League of Legends is another. Below you can find all the relevant information on Aurelion Sol abilities. In order for item builds you should check the build for Aurelion Sol.
Passive: Cosmic Creator
Aurelion Sol's damaging Abilities break down enemies into stacks of Stardust, which permanently improves each of his abilities.
Breath of Light
Aurelion Sol channels his dragon breath for a few seconds, damaging the first enemy hit and splashing reduced damage onto nearby enemies. Each second the breath is channeled directly at an enemy will deal bonus damage, which is improved by the amount of Stardust that's been collected. This ability collects Stardust if the target is a champion.
Aurelion Sol breathes starfire for up to maxchannelduration seconds, dealing damagepersecond magic damage per second to the first enemy hit and aoemodifier*100% of the damage to surrounding enemies.
Each full second of breath on the same enemy deals a burst of burstdamage magic damage plus burstbonustruedamagetochamps max Health magic damage and absorbs qmassstolen Stardust if they are a champion.
Astral Flight
Aurelion Sol flies over terrain in a targeted direction. While in this state, he can cast other abilities. Breath of Light no longer has a cooldown or maximum channel duration and deals increased damage while flying.Astral Flight's remaining cooldown is reduced whenever an enemy champion dies after being recently damaged by Aurelion Sol.
Stardust increases Astral Flight's maximum range.
Aurelion Sol flies in a direction. While flying, Breath of Light has no Cooldown, no max channel duration, and its flat damage is increased by truedamagebonus*100%.
Takedowns on champions within resetwindow seconds of damaging them refunds tooltiptakedowncooldownmultiplier% of this Ability's Cooldown.
Recast: End flight early.
Singularity
Aurelion Sol summons a black hole, damaging enemies and slowly pulling them toward its center. This ability grants Stardust each time an enemy dies within the black hole and for each second an enemy champion is caught inside it. The center of the black hole executes enemies who are below a certain percentage of their maximum health. Stardust increases Singularity's area as well as the execution threshold.
Aurelion Sol summons a black hole, dealing damagepersecond magic damage per second and Dragging enemies towards the center for duration seconds. Enemies in the center below currentexecutionthreshold% max Health
The black hole absorbs Stardust when enemies die within it and each second an enemy champion is inside.
Falling Star / The Skies Descend
Falling Star: Aurelion Sol crashes a star into the earth. This impact deals magic damage and stuns enemies while also granting Stardust for each enemy champion it hits. Gathering enough Stardust transforms Aurelion Sol's next Falling Star into The Skies Descend.The Skies Descend: Aurelion Sol drags a giant star down from the heavens with an increased impact zone and increased damage, knocking up enemies rather than stunning them. A shockwave then spreads from the edge of the impact zone, which damages and slows the enemies it hits. Stardust increases the impact area of both Falling Star and The Skies Descend.
Aurelion Sol plucks a star from the heavens and crashes it into the earth, dealing maxdamagetooltip magic damage, Stunning enemies stunduration second, and absorbing massstolen Stardust for each champion hit.
Gathering calamitystacks Stardust transforms the next Falling Star into The Skies Descend.
The Skies Descend: Aurelion Sol drags a constellation's worth of fury down from the cosmos, dealing r2damage magic damage in a larger area, Knocking Up enemies hit for stunduration second, and unleashing a massive shockwave that deals shockwavedamage magic damage to champions and Epic Monsters and Slows all enemies hit by shockwaveslow*100% for 1 second.
FAQ on Aurelion Sol
What do you max first on Aurelion Sol?
Most Aurelion Sol pros max out 
Breath of Light first.