If you have a 7* capital ship then a mythic battle that rewards 1 zeta
New sith raid rewards 1 zetas on heroic victory
TB if achieve 40+* reward 1 zeta
New challenge guarantees 2 omegas and random zeta same drop rate as the current omega one. G12 + 3 piece gear recommended.
Add 1 last GW mythic battle that guarantees 1 zeta at the end. Hard g14 (yes 14) fully zeta squad current meta sqauds. 3 to 5 maxed squads recommended.