Logic tells me it should work just like how synergies apply to chance to cast/striking/etc. A quick google search didn't come up with anything relevant, so you could test it yourself on 0% PR trash with decent hp (e.g. Wendigo in Den of Evil).
List trades and earn trust
Level up as you post
Give and Receive Likes
Discreet Notifications
Avatar & Profile customisation
Private Messaging
Bookmark Pages & Posts
Use Drafts & Revisions
Attach Images
Squelches this trader, making their offers on your trades invisible to anyone except themselves. Their trade listings will also be hidden from your marketplace.
Your squelch list can be managed and edited from Top right dropdown > Account Prefs > Squelches.
Syravex
5