Well, I might need to wait with my next post, since well... let's just say that thing happened just recently eep.
Also, I had to fix some autocompletes after taking a quick look at a prior post, and decided to turn off autocomplete for now because of that being a bit of a pain now it seems.
As for why Ethan is completely a Pokémon, he overdosed on the experimental samples earlier when he was a human; since he took several syringes instead of just one. (One syringe + vial would give the equivalent of a Pokéhuman hybrid kind of thing, while more would produce unpredictable results.)