Natalya by TimeLord

Lvl 1:
Cobra's Venom (Q): Quest: Hit 20 Heroes with 3-charge Cobra Strike. Reward: Increase the 3-charge heal to 100% of damage dealt, and mana restored to 10%.
Infernal Trap (W): Quest: Hit 25 Heroes with Wake of Fire. Reward: Increase the damage of Wake of Fire against Heroes by 30%.
Martial Artist (D): Each charge increases the damage of your finishing move by 5%, up to 15%.

Lvl 4:
Continuous Flame (W): Whenever Wake of Fire hits an enemy Hero, its duration is increased by 0.5 seconds.
Rapid Refresh (E): Your basic attacks now reduce the cooldown of Burst of Speed by 1 second.
Everlasting (D): Charges now last indefinitely until spent.

Lvl 7:
Mighty Fangs (Q): Cobra Strike deals 20% bonus damage.
Clipper (E): Increase the attack speed bonus of Burst of Speed to 35%.
Fast Charger (D): Gain 3% bonus movement speed for each charge, up to 9%. Does not stack with Burst of Speed.

Lvl 13:
Spare Traps (W): Wake of Fire gains a second charge, but its cooldown is increased by 2 seconds.
Stamina Source: Regen globes restore 100% more Health and give you 10% bonus movement speed for 4 seconds.
Blade Sentry (Active): Throw a blade that travels between the casting point and the target point for 3 seconds, damaging enemies in its path. Cooldown: 15 seconds

Lvl 16:
Dragon Tail (Q): Cobra Strike teleports you to the target enemy.
Fire Stream (W): Increase the distance that streams of fire travel by 20% and speed of firing by 15%.
Fade (Active): Gain 30 Armor for 3 seconds. Cooldown: 30 seconds

Lvl 20:
Phoenix Power (R1):
1 charge: Enemies are set on fire, taking damage for 2 seconds.
2 charges: Enemies are blinded for 1.5 seconds.
3 charges: Stun and root duration increased to 1.5 seconds.
Phoenix Shield (R1): You gain a shield equal to 10% of your maximum Health for each charge. Shield lasts 4 seconds. Cooldown reduced by 5 seconds for each enemy hit.
Doom Sentry (R2): Increases lightning damage by 20% and explosion area damage and size by 40%.
Shadow Master (Active): Summon a shadow of yourself that has access to your basic abilities and 40% of your maximum health. Lasts 7 seconds. Cooldown: 45 seconds