Pets have been hidden due to rising Player complaints.
Hypothetical Balance and change
No point speculating for a patch 3 months away.
One issue I see in all these request for balance is that (just image this is possible for the sake of discussion) once the game skills/traits are balanced (for conquest at least) and are played with for sometime in that state, the PvP community well get bored and request a changes.
So we could see new skills/traits added (and then need to be balance against existing ones or existing ones changed to work with the new) or we could see changes in skills/traits for just the sake of changing the flow/pace/compositions of PvP.
While I am sure that there are players who would see no problem in that there is still the fact that there are other play modes, with other objectives and that changes there could have effect not intend when taking the game as a whole.
No point speculating for a patch 3 months away.
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