"You wont get away with this Rani! I guarantee it wont work!" the Doctor bantered stuck to a thick pole as the Rani adjusted a few settings and turned things on.
"Please Doctor, you haven't the slightest clue what I am even up to!" the Rani cackled.
"Well, would you care to get off your high horse for a moment and explain?"
"With pleasure. You have always been in need of a good education. See, many years from now, several regenerations from your current status, you, in your pathetic meddling, ruined a really been experiment of mine I had spent two lifetimes building. It really was quite marvelous. But not only did you wreck it in it's entirety, but you stuffed my TARDIS full of over-sized bats and set the coordinates to the BOONDOCKS. Not only was it incredibly frustrating that so much work had been completely fruitless, but I spent another lifetime getting rid of those worthless bats who destroyed my precious TARDIS to the brink of scrap metal, and in the end had to sacrifice another regeneration just to rebuild myself and my things back to it's original state! It was utterly maddening! And whilst I was trapped in that heinous spot doing all this, all I could think about was how dearly you would pay for it... " the Rani huffed furiously.
She tossed the tech in her hands onto the TARDIS console and pulled out her dagger again. She placed the cold blade against the Doctor's throat.
"If I press just a touch more on your skin, it will rip open. That's how sharp my knife is. If I wished to kill you now, I could. But I know as well as you that you will just regenerate. We can't have that now can we? After all, no use wasting perfectly good regenerations," the Rani cooed, removing the blade, sheathing it and stepping away.
"So that's what this is about? You want my regenerations? As far as schemes that you dream up go, Rani, this is by far the most simple and frankly dull. I was hoping for something a bit more exciting. Where is your sense of adventure?" the Doctor tactfully mocked.
"Where is your sense of nationalism Doctor? How is it that you could just cast out one of your own without a second thought? We were mates back in the university! You are quick to forget your past, and quick to do anything for those pathetic Earthlings. You disgust me Doctor."
"Ah but they are harmless little creatures," the Doctor brushed off, "Humans pose absolutely no threat to us. Like taking candy from a baby, it's just not right. You, my dear, you are a worthy adversary. I can cast you out to such a harsh fate because I know you can handle it!"
The Rani laughed at his insolence, "Always the comedian. You should know that such flattery means nothing to me. Your vain attempts are nothing but amusement."
"Think of this though. Say you take my regenerations, and you take my life this day. And allow us to also say that over time you gain infinite power and infinite knowledge. What then? What do you do when you have everything?"
The Rani only laughed harder.
"Seriously Doctor? Surely you jest! Who says infinity is a limit?"
Out of nowhere, there was an earsplitting crash and a TARDIS hallway door opened abruptly. Both shot their eyes in that direction to see what the commotion was. The Rani's jaw dropped. It was a creature that haunted her past and filled her with boiling hot rage. An over-sized bat had entered the console room.
"How did that get in here?" the Doctor pondered.
The Rani, overcome with blinding fury, dashed upon the miserable alien, grabbing his shoulders and slinging him across the room.
"This is my cue!" the Doctor muttered and unbound himself effortlessly, entirely unbeknownst to the Rani.
The Rani engrossed in a sort of tunnel vision clenched the beast two times bigger than her, and shoved his face into buttons and switches, all the while laughing hysterically. Punching and throwing and pushing and beating, the Rani had gone mad with hysterics and was tearing apart the whole room. The Doctor screamed at her to calm herself, attempting to prevent her from damaging the delicate TARDIS components, and trying to catch her hopelessly flailing and lightening quick arms.
"You've lost your bloody mind Rani! You're going to destroy my TARDIS now! Rani you must stop!"
Exactly as the Doctor had predicted, the floor and walls began to violently shake and horrible screeching erupted from the console. The TARDIS was crashing.