There was a little discussion about Soul Drainers in Discord - if weaken should get removed from the gloves because it would override decrepify from your Merc.
Current Stats of Souldrainers:
+7% Piercing Attack
8% Chance To Cast Level 3 Weaken On Striking
7% Mana Stolen Per Hit
7% Life Stolen Per Hit
-50 To Monster Defense Per Hit
+100% Enhanced Defense (varies)
+6 To Dexterity (varies?)
Your vote: Don't change the Gloves