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Put all your status points on strength, since it's your primary stats and you need it for maximized damage for a warrior.

The build which is good:
1/Skyward Smash
1/Chest Splitter
5/Vengeful...

Colton :D
It's better to choose Colton instead because Colton has a passive stun ability and Arcane Ability gives more crit,
Scorn however, is a very good pet but the arcane ability sacrifices your...

The most common build is:

1/Shadow pierce
3/Aimed Shot Upgrades: Critical Shot and Deadly Focus
3/Combat Medic Upgrades: Effective Packs and Extra Packs
Put All Status Points On Dexterity
...