The Doctor decided to make contact with Rose Tyler at Bad Wolf Bay for one last time, thinking that she and his metacrisis clone were happy. Instead, he was faced with a mourning Rose who told him that his half-human counterpart had gone mad and died, leaving her all alone.
You know what about HTTYD2 deserves to be appreciated? How Dreamworks doesn’t try to explain the Bewilderbeast. Bewildy does the pupil trick, BAM! DRAGON DOWN DRAGON DOWN. We don’t need some pseudo-science jargon from Valka about how it works.