how did megumi become sukuna

I think it happens around chapter 135, but you might want to double-check as the exact chapter could vary depending on different editions.

I think it was two fingers. But it's been a while since I read that part, so I might be a bit off.

Sukuna didn't manage to kill Gojo. The storylines and battles unfolded in a way that Gojo remained alive and intact in the manga.

Nope, Megumi is alive. The author has chosen to keep Megumi's character alive to continue developing their story and interactions within the manga's world.

Megumi had a bunch of significant actions and developments in the manga. It's hard to summarize it all in one go.

Megumi is not dead in the JJK manga. The manga continues to feature him and his adventures. The story hasn't reached a point where his character is killed off.

Megumi's age varies depending on the specific point in the manga storyline. But as of a certain point, she might be around 15 years old.

Sukuna typically has ten fingers in the manga.

Sukuna usually has ten fingers, just like a normal person. But in some special scenes or forms, it might vary.

I think Sukuna has eaten quite a few fingers in the manga, but I can't give you an exact number off the top of my head.