Blessing or a Curse

Izuku has an undiagnosed Unbreakable Quirk, and it was not revealed until Mt. Lady slammed the monorail he and his mother were in, leaving him as the sole survivor. Some may think it was a blessing, but others thought it was a curse, including Izuku, who had to see many deaths. Would he be able to use his quirk to the fullest, and move on, or are there people in the shadows who want this curse? *photo as placement, but will replace later*