4year old izuku was about to have his quirk test and was so happy and scared, but he made it his determination to be a hero and this gets the attention of 9 souls that see the young pure kid and decide to help him and give him the skill set they have, when he woke up his entire body changed, and even inko got scared, his body was bigger but still slim, he then summoned a rocket launcher on accident.
when they make it to the doctor, he diagnosed the quirk, called mercenary classes, this lets him use different classes of old mercenaries that had quirks themselves.
drawback each class changes, he becomes half the nationality, he also changes attituded
scout- Zoom can, fast and light, with double jump, scout weapons (snarky and prideful)
engineer- mechanical control, summons his artillery and teleporters X5 each, engineer weapons (lazy and country style)
pyro- fire immunity, pyrokinesis, pyro weapons (like wearing gasmask, pyromaniac but controlled)
soldier- rocket jump, commander spirit, soldier weapons (willing to lead, dedicated and sacrifice)
heavy- body builder, iron knuckles, sasha, heavy weapons(russian accent, easily angered, not so smart)
demoman- expulsion immunity, savage charge, drunken liver(immune to alcohol), demoman weapons (drunk, proud, scottish attitude, love viking weapons)
spy- cloak, deadringer, imposter, cigarettes, iron lung(immune to smoke), spy weapons (french manners, sassy dresser, love wearing spy mask, skilled with butterfly knifes and revolvers)
sniper- piss jar, hawk eye, tracker round, all sniper weapons(Australian accent, loves coffee, kukari skills, hunter)
medic- ubercharge, heal beam, Archimedes spirit, advanced medical knowledge, medic weapons (bit of a psycho maniac, loves cutting people to get info, immune to pain, huge bird fan, german accent, happy to help and heal)
