[ Mm. How much does he want to say? Prodding at memories buried is never ideal. Nor does he want Killua to be entirely oblivious to something so significant. ]

After Dorchacht. Some of us volunteered to enter a dream state. While I was there, I ran into you. Or a version of you. You weren't quite yourself.

[ He'd checked in on the boy afterwards, seeing as he'd, you know. Been the one to choke him out. Once the nurse had assured him Killua would be fine, he'd left. ]