Here be Dragons

Moonwatcher highest is probably intelligence but wisdom is also possible, dump charisma, she aint beating the weird girl allegations after living alone in a forest alone for 4 years (4? 3? I dont remember her age).

Qibli is totally dexterity but overhaul he is very balanced, most likely lowest is intelligence because while clever (wisdom) he has no formal education.

Winter is also dexterity based, more con than Qibli but less wisdom, dump charisma, weird kid (hes in the scavenger fandom) like moon but with a sprinkle of incel/red pill culture but hes healling :)

Peril is full stenght and no wisdom, also low intelligence but not too much. I'm only not saying inteligence as the dump stat because while she wouldn't really need int in the arenas, shed need much less wisdom because who the fuck is rolling a perception check in a arena, especially her, "ohhh I wonder if that jab is aimed at me head or me neck" THEY ARE DYING NO MATTER WHAT. I would only say she'd dump int instead of wis if we consider dragons with abilities she'd need to roll for wisdom but like, who but rainwings would call for one.

Turtle is full intelligence no doubts and probably lowest dexterity, but I can see the case for constitution (low endurance) as well. Also for that I'm considering animus magic to be like a mage but especially like an artificer for obvious reasons but also because the alternative is sorcerer and charisma just doesn't clash with enchantments. My exception for this is darkstalker I can totally see him as a sorcerer, not sure wich subclass tho.

Carnelian (may my girl rest in peace) is full strenght but low intelligence. I havent read the Hero Winglet do I might be way off point but I believe she'd have low intelligence despite her Warfare knowledge (shout out to pathfinder this would be the perfect place for Warfare Lore proficiency) she would just be following orders and fighting so not much thought besides trusting your gut.

And lastly, Umber I'd say is constitution but that's kind of a mudwing stereotype so strenght is on the table as well, for the lowest I'm going with dexterity or intelligence but probably intelligence because I can see the utility for dex in a large scale battle (even if its not as necessary for mudwings since they'd definitly have some kind of natural armor).

Bonus Anemone she is full Charisma BUT ☝️ only because she'd be a warlock, Darkstalker is her patron (eldritch patron thing subclass I cant remember the name ITS THE ONE WITH A LOT OF e l d r i t c h b l a s t), and dump wisdom because this girl was raised on a LEASH aint no way she got any survival instincts.

I could imagine her Wisdom or Constitution being quite low instead. While she did have a healthier upbringing than most nightwings, she was still abandoned for long periods of time and had to scrounge for her own food in the rainforest, which i have to imagine would make her unhealthier than the average dragonet. And as for Wisdom, she seems heavily dependent on her mind reading to understand the intentions and emotions of others. You can kind of see this with Darkstalker, a dragon who’s mind she cant read, and how she’s fairly trusting of him throughout the series (you could even say she failed her Insight check against him!)