Itherael by TimeLord

Level 1:
Sentenced (Q): Quest: Hit 15 enemy Heroes with Finish Off. Reward: Reduce its Mana cost by 50%.
Quest: Hit 25 enemy Heroes with Finish Off. Reward: Increase its damage by 50%.

Mighty Blast (E): Quest: Blind 20 enemy Heroes. Reward: Increase the Blind duration to 2 seconds and reduce its Mana cost by 50%.
Heavenly Swiftness: Quest: Regen globes increase your unmounted Movement Speed by 1%, up to 15%.

Level 4:
No Escaping (Q): Increases the range of Finish Off by 25%.
Bold Initiation (W): Foresight also grants you 20 Armor for 3 seconds.
Angiris Renewal: Your basic attacks heal you for 25% of the damage dealt.

Level 7:
Double Phase (Q): After casting Finish Off, it can be recast for free within 2 seconds to return to your previous location.
Channeled Blast (E): Blast can now be channeled up to 2 seconds to increase its damage up to 100%.
Quick Dispatch (D): Basic attacking enemy Heroes also increases your attack speed by 15% for 2 seconds. Stacks up to 45%.

Level 13:
Slowing Gaze (W): Foresight slows the target by 20% for 3 seconds.
Speed Burst (W): Foresight grants you 60% bonus Movement Speed, decaying to 20% over 3 seconds.
Light of Heaven (E): Casting Blast within 1.5 seconds of casting Finish Off increases Blast's area of effect by 50%.

Level 16:
Ruthless Strike (Q): Finish Off reduces the target's Armor by 25 for 2.5 seconds.
Energized (D): Basic attacks against all enemies increase your Movement Speed by 20% for 2 seconds.
Talus'ar: Activate to increase your ability damage by 25% for 5 seconds. Cooldown: 45 seconds

Level 20:
Fate Ended (R1): If the target is killed within 3 seconds of casting Fate Sealed, its cooldown is reduced to 10 seconds.
Haunting Past (R2): Increases the damage to 15% per death.
Unwavering: Activate to become Unstoppable for 3 seconds. Cooldown: 25 seconds
Sudden Death (Q): Reduces the cooldown of Finish Off to 3 seconds.