I know this will illicit the usual "Zetas are fine, it's a resource management game" response from some, but I just wanted to reiterate how badly we need zeta mats right now. I appreciate the zeta ...
IMO, they should introduce separate ZETA-battles like the same with Omegas, just not so commen. (a little less than omegas). More and More toons need them or have them, so it is only fair to get multiple "income" of zetas.