I am a lvl 37 Strider, and building myself for an Assassin. If anyone lower lvl needs some help, please just ask. If anyone higher lvl has any advise please let me know.

Carry an xbow with you...headbreaker + xbow + xbow DoT's = Total Cargnage!

Ok sorry I am a noob so what is an xbow. If it is a cross bow, then I don't carry them as an assassin or can I?

You can carry and equip an xbow (cross bow). And when you headbreaker something, swap quickly to xbow and arrows (fastest is to have them on fast bar) and you'll pwn almost any mob you come against. Also have your swords on fast bar, so when headbreaker wears off, you can swap back quickly, as your swords will deal more dmg than the xbow.

Cool, do I need to add JP to some of my bow skills also or just use them as is? Thanks for the tip on that. I had no idea I could do that.

I would get Piercing Arrow for sure. I'd have it lvl 1 for now, but later (maybe when you're R3) get it higher lvl. Eventually you'll want all skills maxed under the "first skill tree". Your best 2 skills for the xbow are Piercing Arrow and Cursed Arrow. Both are DoT's (Damage over Time). Those skills are the best skills a SH have against a Sin, because it will keep a Sin from cloaking. The Jlvl 40 skills aren't that great for the Sin with an xbow, so I wouldn't worry about them...really ever. And in PvP the best time to use headbreaker is not right away...wait until the person you're going against has about half hp, then headbreaker, switch to xbow and pwn them with everything you got.

Dang Deadly that is some good advise, either you know strategy very well or you have experience with it. None the less thanks for the advise, and by the way I am lvl 50 now so you and IfYouSaySo don't have to PK me...tehehehe

My short term goal is complete. I AM NOW AN ASSISSIN... MUAH MUAH...