// response body
[
  {
    id: 1,                             // hero's id
    title: "God of War",               // hero's title
    name: "Ares",                      // hero's name
    quality: "Common",                 // hero's quality
    cost: 1,                           // hero's cost
    races: [                           // hero's races
      {
        synergies: [
          "...",
          "...",
          "..."
        ],
        name: "Divinity",
        icon: "https://..."
      },
      // ... rest of hero's race
    ],
    class: {                           // hero's class detail
      synergies: [
        "...",
        "...",
        "..."
      ],
      name: "Warrior",
      icon: "https://..."
    },
    stats: {
      hp: [650, 1300, 2600],           // hero's hp for star 1, 2, 3
      armor: [5, 5, 5],                // hero's armor for star 1, 2, 3
      magicResistence: [0, 0, 0],      // hero's magic resistance for star 1, 2, 3
      atk: [0, 0, 0],                  // hero's attack for star 1, 2, 3
      atkRate: [0.0, 0.0, 0.0],        // hero's attack rate for star 1, 2, 3
      atkRange: [1, 1, 1]              // hero's attack range for star 1, 2, 3
    },
    ability: {
      name: "Godshield",               // hero's ability name
      picture: "https://....",         // hero's ability picture
      descriptions: [
        "Reduces physical damage ...", // hero's ability description for star 1
        "Reduces physical damage ...", // hero's ability description for star 2
        "Reduces physical damage ..."  // hero's ability description for star 3
      ]
    },
    picture: [
      "https://...",                   // hero's picture for star 1
      "https://...",                   // hero's picture for star 2
      "https://..."                    // hero's picture for star 3
    ]
  },
  // ... rest of hero
]

// response body
[
  {
    id: 1,                           // class's id
    name: "Warrior",                 // class's name
    synergies: [                     // description of class synergie
      "(3) All allied warrior ...",
      "(6) All allied warrior ...",
      "(9) All allied warrior ..."
    ],
    icon: "https://..."              // class's icon
  },
  // ... rest of class
]

// response body
[
  {
    id: 1,                          // race's id
    name: "Human",                  // race's name
    synergies: [                    // description of race synergie
      "(2) All allied humans ...",
      "(4) All allied humans ...",
      "(6) All allied humans ..."
    ],
    icon: "https://..."             // race's icon
  },
  // ... rest of race
]