Assassin/Ninja Assassin Build Lvl 67 Help?

what items/stats should i be focusing on for assassin to do more dps/survive more. should i focus on spells, melee or hp? is poison or lifesteal good? should i go high attack speed or slow? i am very confused as to what items i should be using rn, help would be pog (i have decent amount of money)

 

melee
https://wynnbuilder.github.io/#4_0JB0cY0cX0cW0o80o80tu0AN0lY0r0f-x1o031300000
WynnBuilder build:
> Granite Helm
> Skien's Fatigues
> Skien Leggings
> Skien Boots
> Energy Loop
> Energy Loop
> Homeorhesis
> Coyote Crest
> Skien's Paranoia []

spell
https://wynnbuilder.github.io/#4_0690Rz0cA0c80cF0cF0TN0c90Pz0U0b141p0b14000010005A
WynnBuilder build:
> Blue Mask
> Millennium
> Morph-Iron
> Morph-Gold
> Morph-Topaz
> Morph-Topaz
> Dragon's Eye Bracelet
> Morph-Ruby
> Locrian [t4t4]