Hello Hestia, welcome to Final Fantasy XIV Wiki!
Before you take on your editing journey, please take the time to create your user page. This wiki offers a Community Portal (Accessible from the sidebar menu), which contains a plethora of information to get you started: Help Guide to learn about general wiki editing, Style Manual to learn about overall style, templates and our cool infoboxes, and much more!
If you want a quick start, check out our To-Do List.
Hello Hestia, thank you for contributing to the wiki and raising concerns about spoilers. We believe a wiki should have all of the information on a topic. So for us, It's an aye on possible spoiler content. Templates like Template:Spoiler and Template:Spoiler section can be used to warn users about upcoming spoiler content.
Additionally, <div class="mw-collapsible mw-collapsed"> Hidden Content </div> can be used to hide content like this: