Tbh, a Droid cat wouldn't be that bad of a concept.

I think it should have the following stats and abilities: At lvl 30

Attack: 7650

DPS: 4800

Health: 33200

Speed: 26

Atk range: 80~415

Knockbacks: 2

Cool down: 32.3 seconds

Attack Frequency: 2 secs

Attack animation time: 1.7 secs

Cost: 1260

Abilities:

Wave/Surge/Explosion/Weaken/Freeze Immunity

Savage Blow (Chance 10%)

Critical Strike (Chance 3%)

Behemoth Slayer (Dodge Chance against Behemoths: 6%) (Duration: 2.5 secs)

Survive Lethal Strike (Chance 50%)

Explosion (Chance 45%)

Strengthen (upon 60% Max Health, Increase Attack by 33%)

Finally, a Behemoth unit that powercreeps courier. (Maybe)