Polearm weapon skill
* Skill level: 150
* Delivers a five-hit attack. Accuracy varies with TP.
* Will stack with Sneak Attack (first hit).
* Element: None
* Modifiers: STR:20% ; DEX:20%
* Skillchain properties: Compression
The important thing is to land all five hits. That takes Acc. 2 DEX = 1.5 Acc so that's just fine to add in. But forget the STR if you can have Acc or DEX in the slot.
The Hauby has Acc, DEX, and even STR. I can't think of a better AH SAM Penta Thrust body.