After the the even Mikey future daughter name Nikki help him and his brothers saved the city from the krang but her arms started cracking as they took her to splinter and Draxum

Draxum: what happened?!

Mikey carried Nikki in his arms: Nikki my future daughter arms glossing after she use her mystic powers saving Leo

Splinter eyes sparkled; I have a granddaughter?!

Draxum examined Nikki

As raph Leo Mikey Donnie waited what’s causing this and how to help

Raph: I hope our niece is ok