Widowmaker by eable

Widow's Kiss (Q)
French Kiss: If Widow's Kiss hits an enemy hero, its cooldown is reduced by 3 seconds.
Vanish: After being revealed by Widow's Kiss, gain stealth for 5 seconds. Grappling Hook (E) does not break stealth.
Out of Nowhere: Widow's Kiss deals 25% more damage to enemies above 75% health.
Target Locked: Battle Scanner (D) reduces the cooldown of Widow's Kiss by 2 seconds per enemy hero revealed.
Kiss Goodnight: Widow's Kiss knocks back its target and stuns for 0.25 seconds.
Headshot: Widow's Kiss deals bonus damage to heroes equal to 5% of a hero's maximum health, but its mana cost is increased by 200%.

Venom Mine (W)
Exterminator: Venom Mine poison damage against non-heroes is increased by 100%.
Rapid Deployment: Reduce the priming time for Venom Mine by 4 seconds.
Mine Toss: Increase the range of Venom Mine by 200%.
Metabolic Breakdown: Venom Mine slows enemies by 20%.
Secret Arsenal: Venom Mine gains an additional charge and its cooldown is reduced by 5 seconds.

Grapple (E)
Barbed Hook: Grapple deals low damage to all enemies in its path.
Webslinger: Increase the range of Grapple by 40%.
Auto-Grapple: Grappling Hook gains an additional charge, and its mana cost is reduced by 30.

Heroic Upgrades
Targeting Computer: During Infra-sight, enemies take 25% increased damage from Widowmaker's basic attacks and abilities.
Holographic Grenade: Smoke Grenade no longer affects enemies.

Other Talents
Lethal Scan: Battle Scanner deals low damage.
Light 'em Up: Increase basic attack speed by 35%
Seduce: Cheaper version of Bribe
Inject Venom: Activate to deal high damage over time.
Personal Radar: Constantly reveal a medium area around you.
Venom Rounds: Basic attacks deal additional damage over time.
Moment of the Kill: After killing an enemy, cooldowns recharge 20% faster for 10 seconds. Stacks up to 120%. Hero takedowns count as 3 enemies.