Here's one I've been having fun with the last couple days. Ifan as the main character- Duel wielding with one-handed weapon and dagger, Pyro, Scoundrel, Warfare, level up attributes evenly, focus on Persuasion and Bartering for civil abilities.
Backstab kind of makes his starting critical hit talent moot to a point unless you land one with a sword hit, but it's not like it's a great boost in the first place. Plus with Battering Ram, Backslash, Cloak and Dagger and Blitz, you have 4 abilities that will move you all around the board, two of which work with Sparking Swings, and you can use Pyro for range.
The Red Prince is Two-handed, with Pyro (of course, cause he's got fire breath), Warfare and Polymorph, because being able to BullRush and then Battering Ram back to back is fun, as is flying over anything with Spread Your Wings. Let's not forget Chicken Claw. Focus on Strength, Constitution and Intelligence attributes, and Lucky Charm civil ability.
Lohse has a minor focus on Duel-wield with two wands, Summoner, Aero and Hydro. Focus on Finesse for armor, then of course Constitution and Intelligence, and Loremaster civ ability.
Fane is a Ranger with Necro and Geo, considering giving him a couple points of Scoundrel for an extra teleport. Finesse, Wits and Intelligence attributes. His civil abilities are thievery and sneak. He's got infinite lockpicks, and he can get into "infected" places. Adjust Wits and Memory as you need to for each character.
Looking forward to having Fane put Living On The Edge on Red Prince and using Supernova in a pinch. It's best to level up Summoning for Lohse as fast as possible, which isn't hard, you'll get armor that helps you do that later on. The huge incarnate she can summon at lvl 10 is totally worth it. You can still use Hydro and Aero for status effects like freeze and shock, which aren't so much based on level as they are enemy magic armor, I think. Level up Hydro before Aero for better healing. The only problem I find with having so many skills is having to focus alot on memory, especially when you start learning source skills, but by then every character should have at least their major attribute at like level 20, especially with the help of gear.
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... Every single one of those builds looks, at least on the surface, to be really bad.
Overall, you're putting a lot of points into CON. The reason you feel the need to do that is because you need the survivability in long fights, right? That's because you're splitting your attributes between STR and INT, which completely cripples your damage. If you kill enemies faster, you don't need as much CON, in fact almost none.
Splitting attribute points is bad because almost all attacks do EITHER Physical damage OR Magical damage, but NOT both at the same time, which means that on every attack, you are dealing half the damage you should be dealing. You also have no space for "adjusting memory and wits for each characters" in addition to splitting between STR/INT/CON.
IfanOne-handed weapon and dagger? I'm pretty sure daggers get bonus from FIN, and other 1H weapons get a bonus from STR. Cloak and Dagger doesn't require a dagger equipped, I think, so you're cutting your damage output drastically only for backlash.
Spreading attributes evenly? That seems highly questionable because most attacks only deal either physical or magical damage. I guess you're trying to mitigate that by doing a Sparking Swings build, and the wiki says it does the same damage as Fireball, which maybe(?) means it gets the bonuses from intelligence that Fireball gets. Still though, there's still going to be two turns with Sparking Swings on cooldown.
Splitting civil attributes is a bad idea, period, because you only get a total of 6 Civil points all game. At a certain point, your points into Persuasion will be almost useless because you won't have enough to pass the checks which require Persuasion 4 and 5.
Red Prince"Focusing on three attributes" is an oxymoron. You cannot focus on three attributes. If you're putting enough points into CON that you can say you're focusing on it, you're probably putting too many points in. You don't need that much CON. Most of this build describes a "knight" archtype, and every point you put into Pyro and INT for the purpose of improving your fire breath cripples your physical attacks.
LhoseI assume that by "focus on Finesse for armor", you mean "exactly 4 points", because that's all you need on armor. You are dual-wielding wands, which means you don't need CON for a shield. Most points should go into INT. Your combat point distribution is a mess. You're taking Summoning, which needs 10 for max effectiveness, and Aero, AND Hydro, AND???!!! Dual Wielding? You don't have enough points for all that. Drop the points in Dual Wielding, you should be casting spells not using regular attacks.
FaneSame problems here too. You're splitting your attribute points which kills your damage. Sneak is a useless civil ability, it's a waste. Pretty much anytime Sneak would be handy you can just get around another way or by using Cloak and Dagger.