You are looking at the HTML representation of the XML format.
HTML is good for debugging, but is unsuitable for application use.
Specify the format parameter to change the output format.
To see the non HTML representation of the XML format, set format=xml.
See the complete documentation, or API help for more information. 
<?xml version="1.0"?>
<api>
  <query-continue>
    <allimages gaicontinue="-The_Graduating_Day_of_the_Dead.png" />
  </query-continue>
  <query>
    <pages>
      <page pageid="31038" ns="6" title="File:&#039;The man called Paladin.&#039;.png" />
      <page pageid="29829" ns="6" title="File:(3) Tumblr - Google Chrome 3 22 2018 1 24 27 AM.png" />
      <page pageid="35358" ns="6" title="File:-A wrecking ball of forced adaptation.png" />
      <page pageid="35361" ns="6" title="File:-An Alliance, alright!.png" />
      <page pageid="35350" ns="6" title="File:-Beginning.png" />
      <page pageid="35351" ns="6" title="File:-Found love!.png" />
      <page pageid="35364" ns="6" title="File:-Glowing and Growing.png" />
      <page pageid="35360" ns="6" title="File:-I would rather just sell these potions....png" />
      <page pageid="35353" ns="6" title="File:-Marion Shadegrave.png" />
      <page pageid="35352" ns="6" title="File:-The Fall.png" />
    </pages>
  </query>
</api>