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Diana

Diana

Scorn of the Moon

AssassinMage
Magical Damage
JunglerTopMid
Counter items & Summoner spells:
Counter mechanics:

Deny Farm

Dodge Abilities

Hard CC

Knock Up

Outsustain

Try to kite and poke

Health Points: 438 (+90 / per level) Health Regen: 6 (+0.85 / per level)
Mana Points: 230 (+40 / per level) Mana Regen: 7 (+0.6 / per level)
Damage: 48(+3 / per level) Attack Speed: 0.625 (+2.25 / per level)
Attack Range: 150 Movement Speed: 320
Armor: 16 (+3.6/ per level) Magic Resistance: 30 (+1.25/ per level)
Influence Points (IP): 6300 Riot Points (RP): 975
Diana gains 20% additional attack speed. Every third strike cleaves nearby enemies for 20/25/30/35/40/50/60/70/80/90/105/120/135/155/175/200/225/250 (+0.8 Ability Power) additional magic damage.
Active: Diana unleashes a bolt of lunar energy, dealing magic damage in an arc. Crescent Strike afflicts enemies struck with Moonlight, revealing them for 3 seconds.
Cost: 55 mana
Range to center of AoE: 400min, 800max (estimate)
Radius of AoE: 50 (estimate)

Cooldown: 10/9/8/7/6 seconds
Magic Damage: 60/95/130/165/200 (+0.8 per ability power)
Active: Diana creates three orbiting spheres that last up to 5 seconds and detonate on contact, dealing magic damage to all nearby enemies. She also gains a temporary shield that absorbs damage. If all three spheres detonate, a second shield is gained, stacking upon the previous one if it still remains.
Cooldown: 10 seconds
AoE radius of sphere damage: 200 (estimate)

Cost: 60/70/80/90/100 mana
Shield Strength: 40/55/70/85/100 (+0.3 Ability Power)
Magic Damage per Orb: 22/34/46/58/70 (+0.2 per ability power)
Maximum Magic Damage: 66/102/138/174/210 (+0.6 per ability power)
Active: Diana draws in all nearby enemies and slows them for 2 seconds.
Cost: 70 mana
Effect radius: 250 (estimate)

Cooldown: 26/24/22/20/18 seconds
Slow: 35/40/45/50/55 %
Active: Diana becomes the living embodiment of the vengeful moon, teleporting to an enemy and dealing magic damage.Lunar Rush has no cooldown when used to teleport to an enemy afflicted with Moonlight, and will consume all active Moonlight debuffs.
Range: 825

Cost: 50/65/80 mana
Cooldown: 20/16/12 seconds
Magic Damage: 100/160/220 (+0.6 per ability power)

Diana

Counter Tips
Dodging her Crescent Strike will lower her damage output significantly after level 6.
By using a knock-up (e.g. Blitzcrank's Power Fist) and/or displacement (Tristana's Buster Shot) while she is using her ultimate on a marked target will deny her a reset on her ultimate.
Her Shield lasts for only a short while, so wait until it wears out and harass her after.