**Cross post from AO3, VERY OLD**
Casey Jones was supposed to loathe Donatello .But he couldn't. And with the rise of a dangerous, new mutant, their rivalry is put to the test.
Cover artwork by tmntdoneright on tumblr
**Cross post from AO3, VERY OLD**
Casey Jones was supposed to loathe Donatello .But he couldn't. And with the rise of a dangerous, new mutant, their rivalry is put to the test.
Cover artwork by tmntdoneright on tumblr
What happens when a teenager who longs for more than just the ordinary stumbles upon an ancient relic with extraordinary powers?
And what happens when a certain genius humanoid turtle has one just li...