How fast can I beat Monster Hunter: World using the Greatsword? | Personal Best

I've always had the idea in the back of my mind to complete some of my favorite games as fast as possible, but with some rulesets being rather tight or restrictive, I've held off on even attempting speedrunning. However, this doesn't mean I couldn't just do things my way and have a more relaxed experience.
This is "Personal Best", a series where I try to complete my favorite games as fast as I can, in whatever category I choose or otherwise come up with. The goal isn't to necessarily be the best amongst others, but to be the best that I can be for myself. Although, if I do get comfortable enough, I may try an actual speedrun.
In this first episode of Personal Best, I try to beat Monster Hunter: World as fast as I can, using only the Greatsword.
The mods I am using are as follows:
Performance Booster
Cutscene Skip
No Rain just for the sake of clarity and performance
and an external layered armour editor called Costume Armour, although I couldn't get it to work during the stream despite me successfully testing it off-stream multiple times.
Also, when this speedrun started, I didn't think to put myself into my own private session, and being in an open online session- according to the ruleset on speedrun.com- is against the rules. So, unfortunately, I don't think I won't be able to submit this as an actual speedrun.
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Here's the link to the unedited VOD: • MHW:I Greatsword Xeno%...