Infestation
Light Infestation (Runner, Charger, Leaper)
- 3.0x blade damage
- 3.0x serrated blade damage
- 2.0x fire damage
- 2.0x headshot damage
- 0.5x armor piercing damage
- 0.0x supernatural damage
- no damage reduction by Runner and Leaper
- ~50% damage reduction by Charger
Ancients (Healer, Disruptor, Toxic)
- 2.0x fire damage
- 2.0x headshot damage
- 1.5x bullet damage on head
- no damage reduction on lower arm and lower leg
- ~90% damage reduction
Grineer
Light Grineer (Flameblade, Powerfist, Sawman, Scorpion)
- 2.0x headshot damage
- 1.5x bullet damage on head
- no damage reduction
Medium Grineer (Ballista, Lancer, Scorch, Trooper)
- 2.0x headshot damage
- 1.5x armor piercing damage
- 1.5x bullet damage on head
- 1.25x electricity and fire damge
- ~70-90% damage reduction
Heavy Grineer (Bombard, Commander, Heavy Gunner, Napalm, Seeker)
- 2.0x headshot damage
- 1.5x bullet damage on head
- ~50-80% damage reduction
- physics impact damage reducted by armor by commander and seeker
Corpus
Crewmen (Tech, Crewman, Prod, Sniper)
- 2.0x electricity damage
- 2.0x headshot damage
- 2.0x armor piercing damage on head
- 0.0x bullet damage on head
- ~40-70% damage reduction
MOA (Fusion, MOA, Railgun, Shockwave)
- 3.0x damage on fanny pack
- 2.0x electricity damage
- 2.0x damage on head
- 0.5x damage on gun
- no damage reduction
True Damage
- Serrated Blade Damage Type
- Armor Piercing Damage Type
- Poison Damage Type
- Physics Impact Damage Type (but Grineer Commander and Seeker)
- Light Infestation (but Charger)
- Lower arm and leg by ancients
- Light Grineer
- MOA