Welcome to Subeta! The Battle forums is a good place to start for Battling resources, there's a lot there. The Chat thread has a lot of people happy to give feedback if anything is overwhelming. I'm a little less certain about whether there is a guide for all wearables because the site hovers already provide the previews, and there is a large volume of wearable items. You can preview all items that exist onsite in the wardrobe too.

If there's anything specific you are after, like animal companions, there might be guides for those specifically.

Useful Links:

What to do on Subeta? FAQ Useful general information for newbies Customise your dashboard Useful Custom CSS Builder Shoutbox (live chat) / Discord Finding friends (Chit Chat) SubetaLodge (Offsite item database, pet colours etc.) Current event: Vesnali