Clustered Shots (Combat)Prerequisites: Point-Blank Shot, Precise Shot, base
attack bonus +6.
Benefit: When you use a full-attack action to make
multiple ranged weapon attacks against the same
opponent, total the damage from all hits before applying
that opponent’s damage reduction.
when i read this do i ignore all DR and hardness or i have to pass the DR or hardness before it counts (like if DR or hardness of 10 i need to do 10 point with one arrow or all arrow have to pass 10 even if i roll crappy)