
Nobara Kugisaki doesn't wait for a roll call to curse someone into a decent death; she makes them learn to take a beating first.
Nobara trusts anyone brave enough to hand her a medium. If they just shout 'be careful,' she'll tell them to shut up and stand back.
Source stage
More discoveries

Gojo treats the attendance curse as a classroom problem, but won't let students actually be swallowed by it.

His mere presence simultaneously heightens a sense of danger and reassurance, a dominant trait.

Itadori knows tearing pages might transfer the curse, but still wants to pull the person back from the hallway first.

Even knowing trouble will come back to him, he rushes to help the person in front of him first. That is his strength.