Also the liquid held the DNA of the creatures hes related to btw

Heres a bit of backstory for carlos; He once was a normal kid, slightly overweight. But he caught a disease that was new to science. As a last ditch effort to save him, they injected a strange liquid into his bloodstream. And thats why he has his abilities looks the way he is. But, because of his immortality, the military used Carlos for weapons testing and, uhh, lets just say NSFW purposes. But after testing with explosives, Carlos lashed out, killing and consuming everyone in the outpost. Lemme know if you want any more backstory