DnD@kbin.social
DnDMemes@kbin.social
RPG@kbin.social
dnd@lemmy.world
dnd@lemmy.ml
dndmemes@sh.itjust.works
dndmemes@lemmy.sdf.org
dnd@a.gup.pe
dnd@sopuli.xyz
ravenloft@kbin.social
osr@fedia.io
osr@lemmy.ml
osr@lemmy.world
osr@lemm.ee
dungeons@kbin.social which is related to the Mastadon community https://mastodon.social/@dungeons, you might find that fun.