HeroicInventory

function solve(input) {
    let heroData = [];

    for(let i = 0; i < input.length; i ++) {
        let currentHeroArguments = input[i].split(' / ');

        let currentHeroName = currentHeroArguments[0];
        let currentHeroLevel = Number(currentHeroArguments[1]);
        let currentHeroItems = currentHeroArguments[2].split(', ');

        let hero = {
            name: currentHeroName,
            level: currentHeroLevel,
            items: currentHeroItems
        };

        heroData.push(hero);
    }

    console.log(JSON.stringify(heroData));
}

solve(['Isacc / 25 / Apple, GravityGun',
    'Derek / 12 / BarrelVest, DestructionSword',
    'Hes / 1 / Desolator, Sentinel, Antara']);