Chayn was an engineer on the Quetzel. That the ship ran at all was due to her skills.
After the Eighth Doctor stopped Davros and the Daleks from destroying many Thals, she decided to go back to Skaro with the Thals who had helped the Doctor. (PROSE: War of the Daleks)
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.