Electrolytic serum, when introduced into the bloodstream of a specific species, granted the ability to traverse an electrified ray shield. While Parwans were capable of withstanding the serum's effects, it proved poisonous to other living organisms.
Electrolytic serum, when introduced into the bloodstream of a specific species, granted the ability to traverse an electrified ray shield. While Parwans were capable of withstanding the serum's effects, it proved poisonous to other living organisms.