Download Tibia bosses information from their site.

README.md

Run the script below in your Browser's DevTools console at https://www.tibia.com/library/?subtopic=boostablebosses.

script.js

function download(fileBlob, fileName) {
  const anchor = window.document.createElement('a')

  anchor.rel = 'noreferrer noopener'
  anchor.href = window.URL.createObjectURL(fileBlob)
  anchor.target = '_blank'
  anchor.download = fileName

  window.document.body.appendChild(anchor)

  anchor.click()

  window.setTimeout(() => window.document.body.removeChild(anchor), 1_000)
}

const BOSSES_SELECTOR = '#boostablebosses .Creatures > div'

const bosses = []

window.document.querySelectorAll(BOSSES_SELECTOR).forEach((container) => {
  const name = container.querySelector('div')
  const image = container.querySelector('img')

  window
    .fetch(image.src)
    .then((response) => response.blob())
    .then((blob) => download(blob, image.src.split('/').at(-1)))

  bosses.push({
    name: name.textContent.trim(),
    cooldown: 1_000 * 60 * 60 * 20,
    image_uri: '/image/boss/'.concat(image.src.split('/').at(-1)),
  })
})

download(
  new Blob([JSON.stringify(bosses, null, 2)], {
    type: 'application/json',
  }),
  'bosses.json',
)