JSFiddle - React, Tailwind, and code Playground

JavaScript

const container = {
  dynamic_name1: {
    mods: [
      [Object],
      [Object]
    ]
  },

  dynamic_name2: {
    mods: [
      [Object],
      [Object]
    ]
  },

  dynamic_name3: {
    mods: [
      [Object],
      [Object]
    ]
  }
}

const [objectKeys] = Object.keys(container);
const modsList = container[objectKeys].mods;

console.log(container);
console.log([objectKeys]);
console.log(modsList);

const myMods = [...modsList]

console.log(myMods);