D.Va by varkarrus

Level 1:

Kinetic Module: Close range attacks are 600% slower, but deal 750% bonus damage and stun the target for 0.75 seconds. Targets stunned by this ability cannot be stunned again by it for 3 seconds. (0.66 attacks per second, 145 damage, 40% increase in damage per second)

Hail of Bullets: Basic attacks slow the target by 20% for 2 seconds. Basic Attack Speed increased by 10%.

Football Tackle: Boosters Engaged move speed boost is 60% for the first second, and stuns the first target hit for 1 second.

Level 4:

Burst Fire: Basic attacks cleave for 60% damage around the target.

Regenerative Bio-steel: Quest. Collecting Regen Globes increases mecha health regen by 1.5. Upon reaching 45 bonus health regen, your death timer is reduced by 25%.

Grand Slam: Damage from Fusion Lance's dash is increased by 100%

Level 7:

Raise your APM: Defense Matrix grants a 170 point shield to you and allies who enter the cone.

Fusion Shield: Gain a shield equivalent to 15% of your max health for every enemy hero Plasma Lance hits. Lasts 3 seconds.

Mecha Momentum: Basic attacks decrease the CD of basic abilities by 0.15 seconds.

Level 10:

Self Destruct is unlocked at this tier.

1337 Gamer: Steady Aim's attack speed boost is 133.7% for the first second.

360 No Scope: Casting an ability in Pilot Form increases the damage of your next shot by 40%, and doubles the CD reduction on Calldown Mech.

Mad Skillz: Pilot Form has 20% increased attack speed, and 40% increased health.

Level 13:

Siegebreaker: Defense Matrix blinds structures, and makes them vulnerable.

Spelljammer: On intitial cast, Defense Matrix silences enemies who are not channeling spells for 1 second.

Scripthack: Defense Matrix's duration is increased by 1.5 seconds

Level 16:

Covering Fire: Continue to attack while Defense Matrix is active

Double Lance: Fire a second plasma lance perpendicular to the first, and increases the damage by 33%. Enemies hit by one cannot be damaged by the other.

30 Tons of Mech: Boosters Engaged deals 150% bonus damage.

Level 20:

Rage Quit: Dying in Mech Form instantly activates Self Destruct, regardless of CD. Still gives XP as normal.

Play Of The Game: Getting a Takedown in pilot form decreases the CD of Recall Mech by 20 seconds.

GG no re: Structures deal no damage or CC to your mech form. Deal 100% increased damage vs structures.

Nexus Frenzy: Basic attacks have +20% range and +20% speed in both forms.