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Just think out loud in the comment, if you're getting warm I'll let you know and maybe others will be inspired by whatever you

the solution starts with I because 3 lines back it started with I, and again 3 lines back the same I

Nice first guess! But no, the order of the letters is not a clue to the solution. It's actually part of the problem.

I'll give you a hint for your attempt though: what do "old west action", "avida dollars" and "I am Lord Voldemort" have in common?

they are pseudonyms

Anagram

Yes! Sorry, somehow I missed this comment yesterday...

Almost. A specific kind of pseudonym.