Technician Zeroid is a special Contained Build using 1 Robo Force kit and 1 Neo Zeroids kit. The leftover pieces can assemble Super Zeroid Black. With a Nazarran brain, you can switch Super Zeroid Black's dome around to create Nazgar the Tyrant.
Prime Zeroid Edition
Production Super Zeroid Black and Technician Zeroid aka NAZGAR the TYRANT! Ships in Maxx Zero and Explorer configuration with an additional SPECIAL FIRST EDITION Nazgar head only available here! BUILD THE ULTIMATE TYRANT! OR build SUPER ZEROID BLACK, Nazgar's secret identity, and the Nazguardian / Technician Zeroid! Metallic Black with Red Accents and Zeroid Z tampo. 58 pieces. Released February 7th, 2016. $35 each.