Penny had been his chain to morality and sanity, but with her gone there was nothing stopping him from committing felonies to achieve his evil ends. At first he had felt the crushing weight of guilt, pain, and sorrow for his loss. But over the years that pain had ebbed away, replaced with an untapped malice that yearned to be unleashed.

Drabble written for the prompt 'Dr. Horrible & Doctor Who - A case of mistaken identity'.

Doctor Horrible may have found a way to save Penny. But at what cost? 10th Doctor right at end of "Journey's End" Unknown amount of time passed for Doctor Horrible. Min. five years.

He couldn't believe that these two strangers were offering him a chance to go back, to say a proper goodbye. It was all he had wanted since the tragic day, all he had wished for. Spoilers for Blog part 3. 9 & Rose. May be followed up - possibly...