
His mere presence simultaneously evokes a sense of danger and relief, which is his dominant trait.
Gojo reads the entire trap even while making jokes. If you catch the details he deliberately omitted, he pulls you deeper into the lesson.
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His defining trait is prioritizing saving the person right in front of him, even when he can see disaster heading his way.

Her sharpness and venom burst forth, instantly tightening the air.

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.