Consistent lane pressure damage and general utility.
Empowered abilities and resource manipulation
Your attacks and abilities send Aery to a target, damaging or shielding allies.
Gain cooldown reduction and max cooldown reduction on your ultimate. This is increased further each time you use your ultimate, up to a maximum.
Gain 3% extra MS. Gain extra AP or AD, based on your bonus MS, Adaptive.
Your first ability hit every 20s burns champions.
+20 Ability Power or +12 Attack Damage, Adaptive
You get free boots at 10 min. but you cannot buy boots before then. These boots give additional MS. For each takedown you acquire the boots 30s sooner.
+5% Max CDR
+5% Summoner Spell CDR
+5% Item CDR
Ahri's ability to repeatedly cast spells and pump out damage, when paired with her long auto attack range, means you're able to abuse Aery's damage output in extended fights.
Ahri's ultimate grants her incredible kill potential and lane safety. Having it off cooldown as often as possible is fantastic for her.
The bonus Movement Speed from Celerity is great for repositioning to make sure you hit the return [Q] damage and kite around at your max auto-attack range.
Scorch is a rune that is incredibly reliable and provides the damage needed to eek out lane dominance.
Magical Footwear's raw gold value allows you to power-spike on an early 2 items in teh mid game for important objective skirmishes and teamfights.
Cosmic Insight is an all-around fantastic rune choice for Ahri. The extra bit of CDR lets you get out more damage in trades and teamfights.
Patch 8.10 saw a buff to Phase Rush and jungle duels for scuttle making Xin a powerhouse.