Evelynn

Jungle

Agonizing Allure

Pure assassination and map presence.

Domination

Burst damage and target access

Electrocute

Hitting a champion with 3 separate attacks or abilities in 2s deals bonus adaptive damage.
Sudden Impact

Gain a burst of Lethality and Magic Penetration after using a dash, leap, blink, teleport, or on leaving stealth.
Eyeball Collection

Collect eyeballs for champion and ward takedowns. Gain permanent AD or AP, Adaptive for each eyeball plus bonus upon collection completion.
Relentless Hunter

Unique champion takedowns grant permanent out of combat MS.

Sorcery

+18 Ability Power or +11 Attack Damage, Adaptive

The Ultimate Hat

Gain cooldown reduction and max cooldown reduction on your ultimate. This is increased further each time you use your ultimate, up to a maximum.
Celerity

Gain 3% extra MS. Gain extra AP or AD, based on your bonus MS, Adaptive.

WhyElectrocute

Evelynn is able to easily proc Electrocute when coming out of stealth with a [W]->[Q]->[Q] combo for an extra burst of damage to finish her target.

WhySudden Impact

Exiting Stealth grants the Sudden Impact bonus Magic Penetration that Eve can use to assassinate the enemy champion.

WhyEyeball Collection

Clearing wards is a key part of a jungler's position. Pair that with assassination potential and you'll be racking of plenty of bonus Ability Power to snowball the game.

WhyRelentless Hunter

Movement Speed is a key aspect to getting around the map to meet and initiate fights.

WhyThe Ultimate Hat

Evelynn's [R] offers massive offensive power with it high base execution damage, and great defensive utility with it's ability to quickly blink you over a wall to get away.

More [R]s means more kill and more chances to live.

WhyCelerity

The bonus Movement Speed from Celerity allows you to more quickly and effectively clear the jungle so you can properly position for ganks.