wˌɛn hiː tˈɛsts ɪɾ ˌɔn hɪmsˈɛlf, hiː bɪkˌʌmz ðɪ ˈiːvəl ˈɛdwɚd blˈeɪk, hˌuː dᵻsˈɛndz ˌɪntʊ kɹˈaɪm ænd ᵻvˈɛntʃuːəli mˈɜːdɚ.
When he tests it on himself, he becomes the evil Edward Blake, who descends into crime and eventually murder.