Brute Conditioning

1. Rank 0+35% Melee DamageConvert all base Physical Damage to Impact Damage
2. Rank 1+70% Melee DamageConvert all base Physical Damage to Impact Damage
3. Rank 2+105% Melee DamageConvert all base Physical Damage to Impact Damage
4. Rank 3+140% Melee DamageConvert all base Physical Damage to Impact Damage
5. Rank 4+175% Melee DamageConvert all base Physical Damage to Impact Damage
6. Rank 5+210% Melee DamageConvert all base Physical Damage to Impact Damage
7. Rank 6+245% Melee DamageConvert all base Physical Damage to Impact Damage
8. Rank 7+280% Melee DamageConvert all base Physical Damage to Impact Damage
9. Rank 8+315% Melee DamageConvert all base Physical Damage to Impact Damage
10. Rank 9+350% Melee DamageConvert all base Physical Damage to Impact Damage
11. Rank 10+385% Melee DamageConvert all base Physical Damage to Impact Damage

Facts based on the Warframe Wiki (CC BY-NC-SA 3.0)