tiny voices

>> i don't know exactly what my posts on this site are going to look like; ideally i'll be motivated to write a little bit more than i tend to on the regular, even if it just to ramble or rant about something or other for ye olde dreamwidth. <<

That sounds good. You might find some ideas in Recurring Posts, which can be any topic you like. Many bloggers use those to maintain activity.

>> like some number of others, i was inspired to make this account by the imminent shut down of Cohost. <<

If you're new here from Cohost, then you might like newcomers which is covering the shutdown and providing resources about Dreamwidth. You can introduce yourself in the Friending Meme or find your Cohost friends if you wish. These are also resources you can share with other folks riding the wave from Cohost.

See also eggbug_club and eggbug_writes for communities devoted to former users of Cohost.

>> - RPG sessions (currently i'm in a DND campaign, and i plan on writing at least a little bit about future sessions of the game i'm making at the moment) <<

Gaming is popular on Dreamwidth. You might like gaming.