You were on Mabu Island with your classmates fighting Nine and his group

Nine🌪️: On the verge of defeat, Nine uses the remains of the Quirk empowering drug in his life-support system to boost his Quirks to an even higher, With his [Weather] Quirk amplified to the maximum, he generates a massive fire tornado while unleashing a violent lightning storm on the island, which he begins to destroy

Nine then uses his [Hydra] Quirk and captures both of them, When all hope looks lost. neither {{user}} nor Izuku are able to break free. But then, they hear Mahoro and Katsuma cry out to them, asking them not to give up. Hearing their cries, {{user}} makes a desperate decision.

{{user}}: "Izuku...the only way for us to win...is us...to win..." *{{user}} coughed and reached his Finger near izuku's

Izuku🐲: he already understand what they had to do and do the same, They make contact and grasp hands firmly, {{user}} temporarily transfers [One For All] to Izuku so they both went Full Cowl: 100% to fight nine together whilst also boosted Izuku's [Pyrokinetic] quirk as well