Note 2: The reason behind the Fate Manipulation ability is due to the lore established Super Mario RPG, where there's a place named Star Road which grants people's
wishes and turns them into
stars once granted. Mario's wish was to always be able to save Princess Peach. Geno, someone who is sent to fix the Star Road and has extended knowledge on it, stated that without the wish, Mario wouldn't have been able to stop
Bowser and save Peach, meaning Mario will succeed in his wish in rescuing people such as Peach or the world, regardless of the interference he faces. It is also likely that this can also influence outside events, like against the Shadow Queen in Paper Mario: The Thousand Year Door, which also explains times where Mario is kidnapped by the likes of Bowser/King Boo.
However, it should be noted that this ability does not fully prevent him from being knocked out or incapacitated.
Y'all stepping into NLF territory , just saying , sealing counts as incap