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="20140809164859|Kakitamon.png" />
  </query-continue>
  <query>
    <allimages>
      <img name="Otomo_Chisato_Mon.jpg" timestamp="2022-10-24T05:25:57Z" user="Catlin" url="http://wiki.heroes-of-rokugan.net/images/a/a7/Otomo_Chisato_Mon.jpg" descriptionurl="index.php?title=File:Otomo_Chisato_Mon.jpg" ns="6" title="File:Otomo Chisato Mon.jpg" />
      <img name="Miya_Genpaku_Mon.jpg" timestamp="2022-10-24T05:03:28Z" user="Catlin" url="http://wiki.heroes-of-rokugan.net/images/f/fb/Miya_Genpaku_Mon.jpg" descriptionurl="index.php?title=File:Miya_Genpaku_Mon.jpg" ns="6" title="File:Miya Genpaku Mon.jpg" />
      <img name="Haronobu_mon.jpg" timestamp="2022-10-24T05:00:14Z" user="Catlin" url="http://wiki.heroes-of-rokugan.net/images/4/41/Haronobu_mon.jpg" descriptionurl="index.php?title=File:Haronobu_mon.jpg" ns="6" title="File:Haronobu mon.jpg" />
      <img name="Nanami_mon.jpg" timestamp="2022-10-17T02:04:35Z" user="Catlin" url="http://wiki.heroes-of-rokugan.net/images/2/28/Nanami_mon.jpg" descriptionurl="index.php?title=File:Nanami_mon.jpg" ns="6" title="File:Nanami mon.jpg" />
      <img name="Lotus.jpeg" timestamp="2022-10-17T01:55:01Z" user="Catlin" url="http://wiki.heroes-of-rokugan.net/images/4/42/Lotus.jpeg" descriptionurl="index.php?title=File:Lotus.jpeg" ns="6" title="File:Lotus.jpeg" />
      <img name="Shinjo_Rider.jpg" timestamp="2019-07-08T01:18:19Z" user="Bloodelfsiren" url="http://wiki.heroes-of-rokugan.net/images/b/b8/Shinjo_Rider.jpg" descriptionurl="index.php?title=File:Shinjo_Rider.jpg" ns="6" title="File:Shinjo Rider.jpg" />
      <img name="Shinjo_Miku.jpg" timestamp="2019-07-08T01:03:05Z" user="Bloodelfsiren" url="http://wiki.heroes-of-rokugan.net/images/e/e6/Shinjo_Miku.jpg" descriptionurl="index.php?title=File:Shinjo_Miku.jpg" ns="6" title="File:Shinjo Miku.jpg" />
      <img name="Becky_J.JPG" timestamp="2019-05-22T03:05:50Z" user="Bloodelfsiren" url="http://wiki.heroes-of-rokugan.net/images/9/9d/Becky_J.JPG" descriptionurl="index.php?title=File:Becky_J.JPG" ns="6" title="File:Becky J.JPG" />
      <img name="Shinjo_bag.JPG" timestamp="2019-05-22T03:00:33Z" user="Bloodelfsiren" url="http://wiki.heroes-of-rokugan.net/images/2/2c/Shinjo_bag.JPG" descriptionurl="index.php?title=File:Shinjo_bag.JPG" ns="6" title="File:Shinjo bag.JPG" />
      <img name="ToritakaKwaidan.jpg" timestamp="2017-01-06T13:21:47Z" user="Sndwurks" url="http://wiki.heroes-of-rokugan.net/images/e/e0/ToritakaKwaidan.jpg" descriptionurl="index.php?title=File:ToritakaKwaidan.jpg" ns="6" title="File:ToritakaKwaidan.jpg" />
    </allimages>
  </query>
</api>