Taint set vs spirit +endless for rogues

Anyone who has used both taint set 3/3

Nd spirit dagger(max lvled) +endless set

Can u guys tell :

1) Which is better for pve nd pvp?

2) How gud is the dot dmg on spirit dagger, heal etc.?

3) Do we lose alot of stats using spirit+endless than taint 3/3?

Thank u vry much :)

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I know this isn't on topic but honestly i prefer any weapon+ endless set then tainted set. the extra cost+ losing your weapon slot isnt worth those extra little stats in my opnion.