Don't take the easy way out and skip parts.
The names are not spelled right here:
A subspecies of Reality Marble, an imagined landscape crystallized as a sword.
In all magical couples, if there is a great disparity in magical power, the weaker one becomes subordinate to the stronger.
This item is used in quests.
No that is silly.
The flow of time doesn't care that she is stopped, so it keeps flowing into the present without any issues.
She was also caught in her own Excalibur blast, sending her back to the battlefield of Camlann, as she remembers the words of Lancelot and Rider.
And certainly the people who raised him played a role in what he became.