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 aistart="2024-04-10T09:44:11Z" />
  </query-continue>
  <query>
    <allimages>
      <img name="HeRO_2024-04-27_20-32-57.gif" timestamp="2024-04-28T02:34:40Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/2/23/HeRO_2024-04-27_20-32-57.gif" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:HeRO_2024-04-27_20-32-57.gif" ns="6" title="File:HeRO 2024-04-27 20-32-57.gif" />
      <img name="HeRO_2024-04-27_19-37-27.gif" timestamp="2024-04-28T01:49:29Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/e/e9/HeRO_2024-04-27_19-37-27.gif" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:HeRO_2024-04-27_19-37-27.gif" ns="6" title="File:HeRO 2024-04-27 19-37-27.gif" />
      <img name="Violet_fear_sprite.png" timestamp="2024-04-10T10:12:50Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/d/d0/Violet_fear_sprite.png" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:Violet_fear_sprite.png" ns="6" title="File:Violet fear sprite.png" />
      <img name="Class_disguise.gif" timestamp="2024-04-10T10:04:56Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/0/06/Class_disguise.gif" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:Class_disguise.gif" ns="6" title="File:Class disguise.gif" />
      <img name="Skin_tone.png" timestamp="2024-04-10T10:00:25Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/1/12/Skin_tone.png" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:Skin_tone.png" ns="6" title="File:Skin tone.png" />
      <img name="Achievements.png" timestamp="2024-04-10T09:57:36Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/6/64/Achievements.png" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:Achievements.png" ns="6" title="File:Achievements.png" />
      <img name="New_quest_window.png" timestamp="2024-04-10T09:54:08Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/1/1c/New_quest_window.png" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:New_quest_window.png" ns="6" title="File:New quest window.png" />
      <img name="Motorcycle.png" timestamp="2024-04-10T09:51:17Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/e/e6/Motorcycle.png" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:Motorcycle.png" ns="6" title="File:Motorcycle.png" />
      <img name="Petdisguise2.gif" timestamp="2024-04-10T09:49:56Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/a/a3/Petdisguise2.gif" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:Petdisguise2.gif" ns="6" title="File:Petdisguise2.gif" />
      <img name="Inventory_expansion.png" timestamp="2024-04-10T09:48:00Z" user="Ayu" url="http://www.pandoraonline.net/heRO_wiki/images/7/75/Inventory_expansion.png" descriptionurl="http://www.pandoraonline.net/heRO_wiki/index.php/File:Inventory_expansion.png" ns="6" title="File:Inventory expansion.png" />
    </allimages>
  </query>
</api>