Takebacker's Ultimate Brawler Guide

Steve, you should add Infighting Mastery to the build.

For my entire build at level 161 after the SP reset, this is what I will have :

 Spoiler

1st job

Quick Motion - 20
Straight - 20
Moon Kick - 20
Double Fire - 1

Remaining SP : 0
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2nd Job

Knuckle Mastery - 20
Critical Punch - 10
Max HP Increase - 10
Back Elbow - 20
Double Upper - 20
Screw Punch - 20
MP Recovery - 10
Knuckle Booster - 20
Oak Barrel - 10

Remaining SP : 0 (+19 SP from 3rd job)
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3rd Job

Stun Mastery - 20
Energy Charge - 20
Infighting Mastery - 10
Energy Blast - 20
Energy Drain - 20
Transform - 20
Shockwave - 2
Lucky Dice - 20

Remaining SP : 0
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4th job (at 161)

Maple Hero - 0
Counter Attack - 10
Dragon Strike - 30
Rapid Fist - 30
Energy Orb - 0
Super Transform - 20
Demolition - 30
Snatch - 0
Wind Booster - 5
Time Leap - 1
Hero's Will - 0

Remaining SP : 0

I think I might change that and put some of those Shockwave points into Double Upper. It seems to be bit better, in my opinion. I want to wait to see if Shockwave is actually any good now, though.