Add a 10% AP ratio to any component of an ability
Amumu - Tantrum: take 10 + (10% AP) reduced damage from all sources Alistar - Unbreakable Will: Take 70% reduced damage for 7 + (10% AP) seconds
Amumu - Tantrum: take 10 + (10% AP) reduced damage from all sources Alistar - Unbreakable Will: Take 70% reduced damage for 7 + (10% AP) seconds
Siphoning Strike: Gain 3 stacks + (10% AP) upon killing a unit with Siphoning Strike

His Q now splits into 2 (+10% AP) bolts when reactivated or at max range.

Taunts his target into attacking you for 2.25 (+10% AP).
Event Horizon: Lasts 3 seconds + (10% AP)
HAHAHAHAHA YOU'RE STUCK IN THERE FOREVER!!!!!!!!!
oh wait... they could just stun themselves to get out
STUN DURATION: 2.5 + (10% AP) SUFFER MORTALS
wanna make something broken??? here we go...
Poppy R: Diplomatic Immunity Duration: 6/7/8 (+10% AP) seconds
Gangplank Q: Parrrley Extra Gold: 4/5/6/7/8 (+10% AP)
R: Cannon Barrage Duration: 7 (+10% AP) seconds
Kayle E: Righteous Fury Bonus Range: 400 (+10% AP)
R: Intervention Duration: 2/2.5/3 (+10% AP) seconds
Twitch R Bonus Range: 300 (+10% AP) Bonus AD: 20/28/36 (+10% AP) Duration: 7 (+10% AP) seconds
If Feast kills the target, Cho'Gath grows, gaining 90/120/150 (+10% AP) Health
Destiny reveals all champions for 6/8/10 (+10% AP) seconds.
There is no hiding
: cannot go under 1 hp for 5 (10%ap) seconds. AP tryn is back
deceive distance increases by x units per 10% AP.
Or his deceive now applies 10% AP on hit, this bonus can critically strike and apply his backstab passive. Hello 1 shot backstab lichbane crit.
Magical Journey: Both allies and enemies can use the corridor by right-clicking on its entrance, with allies traveling faster (+ 10/20/30/40/50% + 10% AP) than enemies.

Ult duration is 8 (+10% AP) seconds, dealing 65/130/195 (+30% AP + 10% AP).
If he has 1000 AP, the ult effectively has a 4320% AP ratio. Also, by the time the ult is 2/3 done, it's up again.
Ashe R stun time: 1+(10%AP) s--3.5+(10%AP) s
Hi Crett!
Singed: Empowered Bulwark (passives count right?): Bonus health = 25% of mana and 10% of AP Insanity Brew: Bonus Stats 35/50/80 (+10% AP)
Cassiopeia: **Twin Fang: ** dealing magic damage and applying a stacking debuff that amplifies further poison damage by 20% (+10% AP). Stacks twice for a maximum of 40% (+20% AP) amplification. Petrifying Gaze: Stun/slow has 2 (+10% AP) seconds
TF Loaded Dice: Upon killing a unit, Twisted Fate rolls his dice, gaining from 1 to 6 (+10% AP) bonus gold. Stacked Deck: ATTACK SPEED BONUS: 10 / 15 / 20 / 25 / 30% (+10% AP) Gate: Range: 5500 (+10% AP)
Trynd can't die for 5 secs + 10% AP. AP trynd is real
Requiem: +10% AP as bonus damage directly to target health.