t2.js

const puppeteer = require('puppeteer');

(async () => {
  const browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
  const page = await browser.newPage();
  await page.goto('https://dofusama.fr/treasurehunt/stats/tous-les-indices.html')
  const href = await page.evaluate(async () => {
    const link = document.querySelectorAll('table a')[0]
    return Promise.resolve(link.href);
  })
  await page.goto(href)
  const source = await page.evaluate(async () => {
    const source = document.querySelectorAll('iframe')[0].src
    return Promise.resolve(source);
  });
  const headers = {
    Referer: "https://dofusama.fr/treasurehunt/stats/details-hache-103.html",
  }
  await page.setExtraHTTPHeaders(headers)
  await page.goto(source)
  const positions = await page.evaluate(async () => {
    return Promise.resolve(window.positions);
  });
  await console.log(positions);
  await browser.close();
})();