Yeah, it's quite fastidious! But now that you're a member of that group, you may discover all the other works done by these merp-loving people: many fan modules about other lands not covered by the original publications. Check Bellakar for instance, a numenorean colony south of Umbar. Right now, one...
And you may like The Inland Sea, an unpublished MERP module that was finished by its author, Chris Seeman, and made available as a free pdf. https://tolkiengateway.net/wiki/The_Inland_Sea
Very good question! I will GM this adventure tomorrow so the answers will be interesting. The scenario is not very precise about the origins of Estelang - just that an ancient hero (not as ancient as Turin) came to the island and forged himself the sword. The rests of the forge will be found by the ...
You're welcome! Actually I'm running a campaign which started in Bree... and includes scenarios from Ruins of the North and Landmarks from V2 - It's interesting to exchange ideas. For instance I expanded on Berelas and Gorlanc, but the ring is still held in Rivendell in our story, so that's a thread...