White Nitro → The Flash

No one knew were she came from. No one knew who she was.
But she knew where she came from. She knew them all.
She could break the walls of time, she could run faster than the man in yellow, faster than the scarlet speedster.
She was from Earth. She was from a place were Central City and the adventures of Barry Allen were nothing but Comic Books and a TV series...

Her Name, Elena Williams and she was White Nitro