Maiev Shadowsong by Helades

[Pasive] Seasoned marksman.
? Quest: Every Minion killed near you grants 0.2 Attack Damage, and Takedowns grant 0.5 Attack Damage.
? Reward: Upon gaining 40 bonus Attack Damage, you can also activate Seasoned Marksman to increase your Attack Speed by 40% for 3 seconds. 60 second cooldown.

[Active] Shadow cloak. Cooldown: 30 seconds.
Enter stealth, moving 50% slower. Your next basic attack while in stealth applies 'Justice from behind' even if it doesn't hit from behind.

[Q] Poisoned dagger.
Deal 30% of the damage as extra damage over 3 seconds.

[Trait] Grave wounds.
Basic attacks also decrease healing done to that target by 25%.

[Q] Blink.
If you jump on a minion or a mercenary, cooldown is decreased by 6 seconds.

[W] Moving faster.
Increase movement speed bonus up to 25%.

[Pasive] Criminal hunter.
? Quest: Kill 5 unique heroes.
? Reward: Blade throw ignores armor of any type and deals 25% more damage.

[Q] Executer of fugitives.
Deal 6% of the maximum health of the objective for 4 seconds, if they are moving they recieve twice the damage.

[W] Counter engage.
If you evade an enemy attack 'Warden's leap' cooldown is restored.

[W] Destabilizing speed.
You can pass throw units. Enemies you have passed recieve a 35% slow for 2 seconds.

[R1] Moon sword mastery.
(Explained before)

[R2] Seal of closure.
(Explained before)

[E] Draining dagger.
Heal 50% of the damage dealt.

[W] Resistance of the agile.
Heal 100% of the damage you deal while 'Shadow evasion' is active.

[Trait] Assassin of the guilty ones.
Deal an adittional 3% of the enemy heroes health.

[Active] Take down the prey. Cooldown: 60.
Mark an enemy to make him vulnerable and destroy 25 armor for 3 seconds.

[Q] Double dash.
After you use 'Watcher's leap', you can cast it again for 2 seconds. You can cast it on allies.

[Q] Circle slash.
Deal the damage in an area around the target, reduce the cooldown 1 second for each enemy hero hit appart from the main target.

[Passive] Retribution.
Whenever you recieve damage from an enemy hero you gain 10% attack speed for 3 seconds, up to 100%.

[R1] Quick blade.
Cooldown is lowered by 2 seconds everytime you hit an enemy hero with a basic attack and damage is increased to 350% of its normal damage.

[R2] Better jail.
Cooldown is lowered 15 seconds and when the enemy comes out he looses 25 armor for 4 seconds.

[Trait] Warden's blades.
Your basic attacks from behind now slows the enemies hit by a 20% for 1 second and deal 200% of it normal damage.

[Q] Tactical moves.
You gain 2 charges and cooldown is reduced 1 second everytime you hit an enemy hero with a basic attack.