fvtt-mournblade/templates/chat-display-description.html

<div class="chat-message-header">
  {{#if actorImg}}
  <img class="actor-icon" src="{{img}}" alt="{{alias}}" />
  {{/if}}
  <h4 class=chat-actor-name>{{name}}</h4>
</div>

<hr>

<div class="flexcol">
  Description : {{{system.description}}}
</div>