you know, for once I would have preferred for him not to become instantly better than anybody else. I would have preferred for the Doctor to still be better than MC with those needles, so that they had to cooperate to achieve their goal.
I can understand the "In story reason" behind this change: the dark king blessing made her hair, eyes and skin black, so the light king (queen?) blessing partially nullyfied that effect... but seriously, they could have left her skin black and made her eyes grey or her hair white.
how the incident happened: she tried to move the broom but she used too much strength and broke it. The lower part of the broom hit the bucket, that was sent flying and landed on her head.