

The writing is kind of all over the place, so it’s hard to say for certain.
El and Kali and all of their brothers and sisters were changed using Henry’s blood.
Kay was assuming they could make more like them using their blood. They tried with Kali but failed. They know El is more powerful than Kali, maybe rivaling Henry. Thus, they hope they can make more using El’s blood. They don’t know for sure, but it’s their best bet.



What do you mean bad 80s action movies?