Unleashed Terror
(2 items) Adds 129 Weapon Damage
(3 items) Adds 1096 Maximum Stamina
(4 items) Adds 1096 Maximum Stamina
(5 items) When you deal direct damage with a Charge, Leap, Teleport, or Pull ability, you cut your enemy, causing them to bleed for 10 seconds, dealing 19728 Physical Damage over the duration. This ability can occur once every 10 seconds per target.

Tormentor
(2 items) Adds 1206 Max Health
(3 items) Adds 4% Healing Taken
(4 items) Adds 4% Healing Taken
(5 items) When you deal direct damage with a Charge, Leap, Teleport or Pull ability, you gain 3642 Physical and Spell Resistance and taunt the enemy to attack you for 15 seconds.

If they have the same proc conditions in their tool tip, which they do, then I don't see why they don't work the same way. Not tested myself to confirm this discrepancy but I agree with OP in the case it is as stated, that either neither should proc it or both should.

Tommy_The_Gun wrote: »

I was able to dug out some info about tormentor from previous PTS:

PC/Mac Patch Notes v6.0.5 - Greymoor & Update 26
https://forums.elderscrollsonline.com/en/discussion/comment/6779134#Comment_6779134

Tormentor: This set now more accurately describes what abilities it works with, and has had its proc condition expanded to work with more abilities that fall into the standard type it was designed to. Previously, it only worked on abilities that operated as charges, but now works on charges, leaps, teleports, and pulls. This set will continue to not work with blinks, such as streak.

So it seem this is intended. Apparently, devs have some weird sub-category of "teleport" abilities - "blinks" - this could explain why it does not work with streak...

Sounds like some BS to categorize it differently. But I am gonna assume then that the other set works with it cause they over looked it.