I don't believe we have anything "official"...
But you can buy them with fleet tokens and get a supplement from the challenges ( :wink: ).
This can make where we put them a difficult choice, but if you feel that you are missing out on a toons abilities because you didn't zeta them, then maybe it was a prioritization issue over mats issue.
Yes they come in slow, and we have had general statements about them getting a challenge at some point, but I'm not holding my breath.
They are powerful in many cases and should be limited in our ability to get them.
