Although Pan was shocked by what he was seeing, he could feel that not even an ounce of life force remained within the shell of the once great goddess, and what was left was corrupted like the dead that John uses like pawns. It was not all of her meaning that she had escaped the fate that many had fallen to, but enough to tip the battle into John's favor.
"I see now... you are a much bigger threat than we realized. Being capable of making a disease capable of corrupting a god is a big feat even if it was intended or not, but this will end here as..." Pan was cautiously saying before being interrupted as he had planned to stall for both him and his brother to regain their strength even if minimal at best.