Complex sentence: However Oliver is able to talk her out of her vendetta reminding her that Laurel would never kill in cold blood but her actions inadvertently brand Black Canary as a criminal, but Oliver is able to savor Laurel's image by revealing her secret to the public.
Split into simpler sentences: However Oliver is able to talk her out of her vendetta reminding her that Laurel would never kill in cold blood. Her actions inadvertently brand Black Canary as a criminal, but Oliver is able to savor Laurel's image by revealing her secret to the public.