Team Voltron and Ryner's forces thwarted that plan, however, and ultimately drove the Galra forces to flee the planet.
When he was in Olkarion he occupied it and forced the Olkari people to build the big and floating weapon cube. If he was would be able to destroy the Olkarion then Zarkon would have given him for his return to the service with his troops. But Pidge from Team Voltron beat the cube and then he and his troops had to leave the Olkarion when they lost the cube and the city management.
Team Voltron and Ryner's forces thwarted that plan, however, and ultimately drove the Galra forces to flee the planet.
When he was in Olkarion he occupied it and forced the Olkari people to build the big and floating weapon cube. If he was would be able to destroy the Olkarion then Zarkon would have given him for his return to the service with his troops. But Pidge from Team Voltron beat the cube and then he and his troops had to leave the Olkarion when they lost the cube and the city management.