From all droids that Darkon created are those eight the ones who are the most vicious and powerful.
All have a minor power crystal that is the source of their powers and provides certain immunities, such has protection against muntant power like telekinesis, but also show weaknesses which variate individually.
From left to right (with powers) [and weakness] :
Shadow Raven (B-Matter Fog & Infra-Laser) [Intense laser attacks]
Scythe Mantis (Laser Cutter & Cloaking Device) [Gravity fluktuations]
Bolt Basilisk (Aiming Bolt & Hacker Software) [Intense Coldness]
Flame Lion (Fire Claw & Force Booster) [Power absoprtion]
Wild Frostwolf (Frost Claw & Freezer Bullet) [Intense heat]
Screw Scorpio (Force Crusher & Drill Laser) [Force-Protected edges]
Gravi Anteater (Gravity Singularity & Tongue Lasher) [Raw Force field pressure]
Sharp Shark (Force Blade & Bumerang Cut) [High voltage electricity]

More them will come.