It’s a slightly different syntax for accessing it from kbin: go to all magazines tab and type ttrpgs@lemmy.blahaj.zone to access the the community.
Edit: on kbin we use the @ character instead of lemmy’s ! Exclamation character:
@ ttrpgs @ lemmy.blahaj.zone
And write it all together:
Nice setup man! I have to ask, is that landline phone?