Firstly the only thing scale better in high is skyliner
But with 15 sec cd its just not enough (if you play high3 you will know your skill is out of rotation tooooo fast)
Barb you said its not scaling well is only half truth
Seism got 1.7dmg multiply if you dont know
Helm chopper also 2 hit skill
Cleave to stun is 2.5 dmg multiply and also bonus slashdmg and crit
Pouncing do 30 hit at full duration
Skyliner do better scaling dmg due to bleed bonus (2 multiply and 2 hit with 3 overheat) but thats its the rest of his arsenal is mediocre(except cartar stroke)
I dont even count the free possible 530 dmg from warcry and frenzy which also boosting dov dmg
I dont really want to break hope to high3 build but with skyliner nerf its just fall down damn hard
If i make new char high2barb2 is looking good though