dex isnt a “BAD” stat.
First , it give you a high survivabilitie , you dodge 9 out of 10 physical attacks.
Second , you never miss in PVP.
third, you can have 90% crit chance with around 4:1 ratio against everyone exept 70% “con” build.
You can also go for Dex 3:1 Str (put con at around 50 (unstuff) for pvp) and get some dex/critrate on your stuff.
but i would personally choose to go 4:1, and get crit attack on my stuff , since most pieces of stuff give you like 50-60 crit attack, which equals 40+ STR , instead of 15-20 crit rate which equal barely 20-30 dex.
against what most people believe STR doesnt count for much in your dps as archer, since you’ll have 800, maybe 900 pshysical attack (STR build) at high lvl and your skills give you 3k5 and even 4k5 dmg added.
Considering that crit give 1.5x multiplier, it is better to make the dmg of the skill crit, that will give you more than the 300 physical dmg given by full STR build. even with the 300% count on the skill.
Also take in consideration that if you build DEX crit build , you can add physical dmg stuff , and critical attack stuff to greatly increse your dmg.
If you build STR build, you CAN NOT add crit rate stuff to have a decent crit chance ( pray for maybe 20% ).
SO to resume :
Dex : High evasion, high crit , high accuracy, every dmg get 1x5 multiplier.
STR : High auto attack dmg, +250-300 dmg added to skills dmg ( 800-900 with high lvl skills 300%multiplier)
Also take into consideration, that if you have archer C2 you gain ENORM benefits from swift step from your dex build, 25% crit rate!!! and up to 20% eva!!!