Today I've accidental found out this:
Steps:
- Bought 3 seals (About 1 hour ago)
- Went to my class hall (Fel Hammer - Demon hunter's ch)
- Killed daily boss for a chance to get hidden artifact skin at it
- Bought one artifact trait for ap
- Ported back to dalaran
- AFK-ed untill log out
- Logged back in and went back to the seal of broken fate dealer and bought 3 more seals for gold.
Probably 3 and 4 aren't important but you know. I've bought all seals for gold.
Please someone else test it further since i'm seal -capped and it doesnt show anymore as I have 6/6.
Forgot to mention that this occurred on EU.