Vaurca filtration bit organ added. When destroyed or removed, oxygen becomes poisonous to the Vaurca.
Vaurca lungs have been made organic.
Vaurca take 3x toxin damage, as a result of their rather alien biology.
Vaurca lose additional blood when an opportunity to lose blood presents itself, due to their open-circulatory system.
Vaurca organs are no longer all robotic, except for the neural socket and filtration bit.
Vaurca organ surgery is now possible.