So, your swordsman rank seems pretty good. Some people take more pain barrier and less bash, but that is just personal choices.
Now, onto your highlander ranks.
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Wagon wheel is another personal choice. Some people leave it at 1 for the CC effect, others don’t take it all. Having or not put points into this skill, it will more likely rarely see use.
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Cartar Stroke is a good skill, however, not SO good I would spent an entire rank worth of points in this. I would put 3 points on it for the atribute.
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Moulinet, even though it has a high damage potential early on, falls of pretty hard in the future, plus you will learn to hate the movement lock the skill has. I’d leave it at lvl 1 or put leftover points on it
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Your Skyliner and crosscut choices are spot on. This combo will be your bread and butter while playing as a HL, and in fact, you will only start seeing enemies that can survive this combo at lvl 80 or so.
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Skull Swing Armor Break debuff never wear off on normal enemies, but on boss monsters it lasts 10 seconds on lvl 1 and 30 seconds on lvl 5, so take that as note and put your points based on your preferences.
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Crow is awesome skill. It will make your mages enemies do less damage, and will increase your mage partymates damage, since it reduces INT and SPR. The catch is really on the debuff time, since it increases with skill lvl.
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The amount of points put on CrossGuard changes with your build. The higher your STR, the less points you will need in it. Most people I ask use it on Lvl 5 though.
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Nothing to explain on Vertical Slash, pure burst damage skill.
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Barbarian skill choice is truly between Kick And Embowel, so it’s a matter of playstyle too
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I’m still to reach doppel, so I will stop there
Good Luck on your game, Clericdude, and grind hard(and sorry for possible gramar errors!)
Edit *: Oh, there’s those threads that can help you on stat distribution and further skills shenanigans
https://forum.treeofsavior.com/t/what-exactly-is-the-point-of-dex-on-a-swordie/314111?u=namewasveryshort
https://forum.treeofsavior.com/t/about-highlander-c3/319354?u=namewasveryshort