Jasper was attacked one night by a mysterious man who he managed to kill, but after the incident he fell ill and blacked out for several days. Upon awakening he attacked and killed Amelia and drained her brother, Emmet and his fiancee, Emily . Not being able to deal with what he had done, Jasper tried to kill himself. But nothing seemed to work, luckily he found the airship and became a part of their crew.
Later encounters with Gemma and the mysterious Esmeralda Fortune caused Jasper to turn into a horrible beast and he only returned normal when he became human again and the evil inside him escaped in spirit form. Now human once more, he received massive head trauma and lost his memory