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A downside of being a party of narcoleptic adventurers.
(startrek.website)
Humor, jokes, memes about TTRPGs
Elminster is either in the area directly after using the elevator in Grymforge or in front of the entrance to the Shadowlands in the Mountain Pass. He's not a companion though but progresses Gale's personal quest.
I was told that's where you get Gale if you miss him in the portal.