Well... I can provide a lot more than the safety commission... [He leans forward and folds his hands on the tabletop to keep from fidgeting. Even though he'd gone through this with a room of people not three months prior it was still nerve wracking speaking of things that he'd held secret for decades.] You won't remember any of this when you're sent back, so there is nothing to lose or risk sharing it here...
All For One's quirk is the ability to move quirks, either into himself or to and from other people. We don't know the exact mechanics of it or how many quirks he can house in himself at one time. At least one that he holds stops the aging process because he is well over a century old, from the early years of chaos after the Quirk Advent... It's part of how he is so powerful back home--he has been building his networks and underground empire over all that time.
[He considers stopping. His former quirk wasn't really necessary to know... but no. He would finish. Best to have everyone on the same page.]
As for my connection to All For One... it is admittedly much more than just the fact that I fought him at Kamino... [He flexes his folded fingers.] My quirk... was essentially created by All For One. Back at the beginning when he was first building power, he had a quirkless brother whom he tried to bend to his will by forcing a stockpiling quirk onto him--but as it turned out... the younger brother wasn't quirkless at all. He had half of All For One's quirk--the ability to pass a quirk on to another person.
[He steeples his index fingers and thumbs as he speaks, pointing at Hawks.]
The quirks combined into a single quirk: One for All. The younger brother was not strong enough to stop All For One, but he hoped that future generations would be... and the quirk has been passed on through the generations, stockpiling the power of each user. I was the eighth holder of One For All. We thought All For One had finally been defeated six years ago where we had nearly killed each other--that's... when I was injured so badly. It wasn't Kamino... [He grins sheepishly] It's the reason my attendance to everything became so abysmal in the last six years. I'm pretty sure people assumed I'd gotten a big head and didn't think I needed to attend, but the reality was I just couldn't let the truth of that body get out. I could use my quirk to force myself into my muscle form, but I could only hold it for about three hours. Bureaucratic bullshit wasn't the place to use what little power I had... [He chuckles at a thought] Truth is, you may have even seen me there at some point. I masqueraded as my own secretary for years--"just tell Mr. Yagi, he has a direct line to all of All Might's personal affairs." I'm pretty sure half of the staff in Might Tower had heart attacks after Kamino when they realized who they'd been yelling at all those years...
But... [he sighs, straightening up] that's where we are. I've passed One For All on to the ninth user. Kamino just used up the remnants of what was still inside me. That's why I'm quirkless... again.
[Action]
All For One's quirk is the ability to move quirks, either into himself or to and from other people. We don't know the exact mechanics of it or how many quirks he can house in himself at one time. At least one that he holds stops the aging process because he is well over a century old, from the early years of chaos after the Quirk Advent... It's part of how he is so powerful back home--he has been building his networks and underground empire over all that time.
[He considers stopping. His former quirk wasn't really necessary to know... but no. He would finish. Best to have everyone on the same page.]
As for my connection to All For One... it is admittedly much more than just the fact that I fought him at Kamino... [He flexes his folded fingers.] My quirk... was essentially created by All For One. Back at the beginning when he was first building power, he had a quirkless brother whom he tried to bend to his will by forcing a stockpiling quirk onto him--but as it turned out... the younger brother wasn't quirkless at all. He had half of All For One's quirk--the ability to pass a quirk on to another person.
[He steeples his index fingers and thumbs as he speaks, pointing at Hawks.]
The quirks combined into a single quirk: One for All. The younger brother was not strong enough to stop All For One, but he hoped that future generations would be... and the quirk has been passed on through the generations, stockpiling the power of each user. I was the eighth holder of One For All. We thought All For One had finally been defeated six years ago where we had nearly killed each other--that's... when I was injured so badly. It wasn't Kamino... [He grins sheepishly] It's the reason my attendance to everything became so abysmal in the last six years. I'm pretty sure people assumed I'd gotten a big head and didn't think I needed to attend, but the reality was I just couldn't let the truth of that body get out. I could use my quirk to force myself into my muscle form, but I could only hold it for about three hours. Bureaucratic bullshit wasn't the place to use what little power I had... [He chuckles at a thought] Truth is, you may have even seen me there at some point. I masqueraded as my own secretary for years--"just tell Mr. Yagi, he has a direct line to all of All Might's personal affairs." I'm pretty sure half of the staff in Might Tower had heart attacks after Kamino when they realized who they'd been yelling at all those years...
But... [he sighs, straightening up] that's where we are. I've passed One For All on to the ninth user. Kamino just used up the remnants of what was still inside me. That's why I'm quirkless... again.