Options:

BloodRayne [Health]
BloodRayne [One Hit Kill] Enemy
BloodRayne [Stamina] Blood [Ammo]
BloodRayne [Stamina] Powers [Aura Vision/Blood Rage/Dilated Perception]
Game [Speed] Fast
Game [Speed] Slow

Note:

<> Deactivate "BloodRayne [One Hit Kill] Enemy" in some missions, don't use it very often or you'll get stuck if you'll kill something that you weren't suppose to kill it that way!

Author: VampTY