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Well I actually collected all 4 sets and try all on, but from what I notice, archamge and ranger set is kinda poor even having full set on. The resistance they provide are extremely weak compare to the elite champion armor i using that time, which provide me 50%+ melee resistance, 46%+ range resitance and 50%+ magic resistance.

Itmes in D2 has random stats, generated like in DD1. So, you always can back @ the end of the game and collect all sets with twe stats you like.
Do not want a sword with poor magical dmg? Reload and reopen a chest again.
That's is.