What's Stribog's little Griffin from? I don't recognize it. Monsters In My Pocket maybe, or some kinda Dungeons & Dragons miniature?
Also, I like what you did with the background in the Eternials group image--I didn't even notice that was a sheet/blanket or whatever at first glance--the volcano burst and sky additions lend a lot of flair/credibility to what would have otherwise been a fairly mundane backdrop.
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