Sarada Uchiha Doesn't Have Conscious Control Over The Mangekyo Sharingan ...

Here's a look at the possible reasons behind this peculiarity ... that Hashirama's Cells allowed him to infinitely use his ...

Sasuke, for example, awakened his Sharingan after witnessing the death of his clan and Obito got his eyes due to his immense resolve to protect his teammates in the third great ninja war.