Level 1
[Trait] Smart Servos
Increases Siege Mode's transformation speed by 100%.
[Basic Attack] Gyroscopic Stabilizers
Sgt. Hammer can now make Basic Attacks while moving.
[Q] Mine Spitter
Casting Spider Mines now places only one Spider Mine at a time.
Spider Mines now has 5 charges with a 0.5 second cooldown between uses and costs 15 mana. All charges are restored by the cooldown.
[W] Barricade
Concussive Blast creates unpassable terrain in front of Sgt. Hammer for 4 seconds.
Concussive Blast can be reactivated after 1 second to remove the Barricade.
Level 4
[Trait/Basic Attack 2] Ambush Protocol
Sgt. Hammer gains Stealth when entering Siege Mode or after not attacking or taking damage for 3 seconds while in Siege Mode. Leaving Siege Mode breaks Stealth.
While Ambush Protocol is active, Sgt. Hammer's next Basic Attack within 1 second of losing Stealth deals 50% additional damage.
[Basic Attack] Maelstrom Rounds
Basic Attacks ignore and reduce the primary target's Armor by 3, up to 15, for 2.5 seconds.
Reduces Siege Mode Basic Attack splash radius to 2 and splash damage to 33%.
[Basic Attack 2] Artillery Suppression
Siege Mode Basic Attacks reduce enemy Heroes' damage by 10%, up to 40%, for 3 seconds.
[Basic Attack 2] Shrapnel Shells
Increases Siege Mode Basic Attack splash radius to 3 and splash damage to 66%.
Level 7
[Trait] Entrenched
While in Siege Mode, Sgt. Hammer becomes Anchored, rendering her immune to Displacement and accompanying effects.
Siege Mode Basic Attacks grant Sgt. Hammer 5 Armor, up to 25, until she leaves Siege Mode.
[Basic Attack] Endless Siege
Basic Attacks heal for 6% of the damage dealt, doubled against Heroes.
[W] Hold Your Ground
Increases Concussive Blast's arc to 60°.
Each enemy Hero hit by Concussive Blast reduces its cooldown by 2 seconds and grants Sgt. Hammer 10 Armor, up to 50, for 4 seconds.
[E] Regenerative Bio-Steel
Sgt. Hammer regenerates 2.5% of her missing Health every second, increased to 5% while Field Repairs is active.
Level 13
[Trait] Hover Siege Mode
Hammer can now move at 60% Movement Speed while in Siege Mode.
[Basic Attack 2] Graduating Range
While in Siege Mode, Sgt. Hammer's Basic Attack range increases by 1 every 3 seconds, up to 3.
This bonus decays over 3 seconds after leaving Siege Mode.
[Q] Cerberus Mines
Spider Mines Slow enemies they hit by 15%, stacking up to 30%, for 2 seconds.
Increases the movement speed and trigger/leash range of Spider Mines by 50% and increases their splash radius to 2.5.
[W] Muzzle Blaster
Increases Concussive Blast's damage, radius, and knockback distance by 50%.
Level 16
[Basic Attack] Tank Buster
Basic Attacks in Tank Mode deal additional damage to Heroes equal to 0.75% of their maximum Health.
Basic Attacks in Siege Mode deal additional damage to Heroes equal to 3% of their maximum Health.
[Basic Attack 2] Artillery Calibration
While in Siege Mode, Basic Attacks against Heroes or Structures increase Sgt. Hammer's Attack Speed by 10%, up to 50%.
This bonus is lost after leaving Siege Mode.
❢ Quest: Make 10 Basic Attacks against enemy Heroes or Structures while Sgt. Hammer has the full Attack Speed bonus.
❢ Reward: Sgt. Hammer permanently gains 10% of the Attack Speed bonus while in Siege Mode, stacking up to 50%.
[Q] Shredder Mines
Spider Mines deal additional damage to Heroes equal to 2% of their maximum Health and reduce their Armor by 10 for 3 seconds.
Level 20
[Basic Attack 2] Shaped Blast
Siege Mode's Basic Attacks no longer have a minimum range.
Basic Attacks in Siege Mode deal 33% more damage if Sgt. Hammer or another allied Hero is within their splash radius.
[Q] Auxiliary Detonation Cores
After hitting a target, Spider Mines burrow and then rearm after 1.25 seconds. Spider Mines can rearm up to 2 times.
Increases Spider Mines' health to 2 and duration to 45 seconds, and their health and duration is restored after rearming.
[Active] Immortality Protocol
Reduces the Mana cost of Field Repairs by 50%.
Activate within 5 seconds of taking fatal damage to rebuild Sgt. Hammer's tank over 4 seconds.
[R1] Scorched Earth
Increases Napalm Strike's radius by 0.5, duration by 2 seconds, and area damage by 50%.
Each enemy damaged by Napalm Strike reduces its cooldown by 0.25 seconds, doubled against Heroes.
[R2] Siege Breaker
Blunt Force Gun travels 100% faster and deals 25% more damage to Heroes and 50% more damage to non-Heroes.
Blunt Force gun knocks aside enemies in its path, Stunning them for 1 second.
Murder everything at long range.
I honestly wish I could upvote this more than once and I genuinely hope that the HOTS team takes a look at this and takes notes. Brilliant work!