>>96174372
>I am unsure of how to better express this
Try using your own words, rather than a chat bot. It helps expressing your actual ideas and thoughts.
>What seems to be the key mechanical ingredient to making a PC feel capable even at baseline character creation?
Having resolution mechanics that allow to succeed. You would know that, if you ever, even once, played any given TTRPG.

What a colossal waste of board space