I've been looking around here and on the jp wiki, but didn't find anything about how pride weapons really work. From my understanding they just add assault depending on how much hp you have, but i couldn't find any detailed info on it, leaving me with the following questions:

1) How do the skill levels effect pride skills? Does it just scale the amount you get per missing HP (f.e. 2% assault for every missing 5% HP instead of 1%) or do the 20 levels just add flat 10% assault like it would be for normal assault weapons and the pride effect gets added on top of it regardless of skill leve?

2) Are any exact values known for it? How much assault gets added when they are at full HP, how much gets added for every missing percentage?

3) Do pride effects stack with each other the same way assault weapons do? I assume they do, just wanted to make sure.

Thanks in advance