You sure your hand speed was that steady? Wobble isn't the only thing that changes penetration. Your arc length or heat input probably wandered a bit.

Finally someone gets it, I've forgotten stuff for ages and it's fine lol.

Ever had a cheap iron tip go bad immediately? Mine oxidized on the first joint and just smeared solder everywhere. Total waste of money.

Yeah the Demon Slayer season 2 recap totally changed my mind too. Was lost on some plot points until I watched it. Now I never skip.

Trusting filters completely... you're joking, right?