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 aicontinue="2021-05-23 17:18:13+00|GuildLogo-Chromie_Homies.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="GuildLogo-RedCross.png" timestamp="2022-09-18T11:48:21Z" user="Paul3000" url="https://wiki.spiralknights.com/images/2/26/GuildLogo-RedCross.png" descriptionurl="https://wiki.spiralknights.com/File:GuildLogo-RedCross.png" ns="6" title="File:GuildLogo-RedCross.png" />
      <img name="Exelius2.png" timestamp="2021-10-16T01:32:17Z" user="CeloAcerbus" url="https://wiki.spiralknights.com/images/0/05/Exelius2.png" descriptionurl="https://wiki.spiralknights.com/File:Exelius2.png" ns="6" title="File:Exelius2.png" />
      <img name="Wish_Feather_Screenshot_14.png" timestamp="2021-08-24T03:20:08Z" user="Solotron" url="https://wiki.spiralknights.com/images/9/92/Wish_Feather_Screenshot_14.png" descriptionurl="https://wiki.spiralknights.com/File:Wish_Feather_Screenshot_14.png" ns="6" title="File:Wish Feather Screenshot 14.png" />
      <img name="Wish_Feather_Screenshot_13.png" timestamp="2021-08-24T03:19:25Z" user="Solotron" url="https://wiki.spiralknights.com/images/1/19/Wish_Feather_Screenshot_13.png" descriptionurl="https://wiki.spiralknights.com/File:Wish_Feather_Screenshot_13.png" ns="6" title="File:Wish Feather Screenshot 13.png" />
      <img name="Wish_Feather_Screenshot_12.png" timestamp="2021-08-24T03:18:30Z" user="Solotron" url="https://wiki.spiralknights.com/images/b/ba/Wish_Feather_Screenshot_12.png" descriptionurl="https://wiki.spiralknights.com/File:Wish_Feather_Screenshot_12.png" ns="6" title="File:Wish Feather Screenshot 12.png" />
      <img name="Wish_Feather_Screenshot_11.png" timestamp="2021-08-24T03:17:12Z" user="Solotron" url="https://wiki.spiralknights.com/images/8/8f/Wish_Feather_Screenshot_11.png" descriptionurl="https://wiki.spiralknights.com/File:Wish_Feather_Screenshot_11.png" ns="6" title="File:Wish Feather Screenshot 11.png" />
      <img name="Tech_Orange_Chemtrails_Aura-Overworld.png" timestamp="2021-08-18T13:24:44Z" user="Rexy sexy" url="https://wiki.spiralknights.com/images/9/97/Tech_Orange_Chemtrails_Aura-Overworld.png" descriptionurl="https://wiki.spiralknights.com/File:Tech_Orange_Chemtrails_Aura-Overworld.png" ns="6" title="File:Tech Orange Chemtrails Aura-Overworld.png" />
      <img name="Tech_Orange_Chemtrails_Aura-Overworld.gif" timestamp="2021-08-18T12:45:03Z" user="Rexy sexy" url="https://wiki.spiralknights.com/images/0/0b/Tech_Orange_Chemtrails_Aura-Overworld.gif" descriptionurl="https://wiki.spiralknights.com/File:Tech_Orange_Chemtrails_Aura-Overworld.gif" ns="6" title="File:Tech Orange Chemtrails Aura-Overworld.gif" />
      <img name="GuildLogo-Xargiva.png" timestamp="2021-06-06T07:56:06Z" user="JCML" url="https://wiki.spiralknights.com/images/9/9a/GuildLogo-Xargiva.png" descriptionurl="https://wiki.spiralknights.com/File:GuildLogo-Xargiva.png" ns="6" title="File:GuildLogo-Xargiva.png" />
      <img name="New_Grand_XAGA_(PNG).png" timestamp="2021-06-06T07:51:09Z" user="JCML" url="https://wiki.spiralknights.com/images/a/a4/New_Grand_XAGA_%28PNG%29.png" descriptionurl="https://wiki.spiralknights.com/File:New_Grand_XAGA_(PNG).png" ns="6" title="File:New Grand XAGA (PNG).png" />
    </allimages>
  </query>
</api>