Ok this is for all you epic ppers out there.
Im looking for the hardest to hit pper available so something with epic dodge and well just something that is basically unhittable so i can be a little bugger and pp the heck out of people also some sd would be nice, im not worried about ab at all i just wanna be able to make an unhittable pper thats all i require thank you and godbless Try a Bard/ SD/ PM. Level split of Bard 14/ SD 10/ PM 16 if you want epic spells, or Bard 20/ SD 10/ PM 10 if you don't. Halfling is probably the preferable race, but elf could work too. Starting abilities (for halfling) something like Str 10, Dex 18, Con 12, Int 14, Wis 8, Cha 14 and you can hit epic dodge around level 24 or so.
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(I enjoy writing parenthetically (a lot)). I believe a PP needs speed. To run in, grab the loot and get out fast.

I would suggest a Monk/SD build since you will need speed. High levels in Monk will also grant you some SR. HIPS is (as always) very nice to have.

Epic dodge can also be taken.

I'd say Monk 24/ SD 16.

16 SD for 2 bonus Epic feats, it also helps out for your shadow evade ac (+4), 12/+4 DR.