12th level:
Fighter Bonus Feat = Relentless Butcher, if it can be taken as a bouns feat or Two Weapon Rend otherwise.
Stat Bump = Strength brining it up to 20.
All saves increase by 1
BAB increases by 1 to +12
d10 Hitpoints (rolled at level up)
13th level:
Feat = Two Weapon Rend or Relentless Butcher based on level 12.
Fighter (weapon master) ability = Deadly Critical
BAB increases by 1 to +13
d10 Hitpoints rolled in discussion thread at level up.
Desired equipment upgrades: I would like to increase the Dex belt from +2 to +4 allowing me to take greater two weapon fighting.