Aided by the Combatrons from the future, the disembodied head of Unicron attempts to take Cybertron as his new body. He is defeated by several combiners led by a temporarily resurrected Optimus Prime.[2]
Transformers Legends
A battle between Fortress and a returned Scorponok results in the destruction of the Autobot and Decepticon Headmasters' transtectors. Both factions travel to the Legends World in search of new ones.[3] Additionally, the Targetmaster partners on both sides are supercharged with plasma energy and vanish,[4] eventually ending up in the Legends World as well.[5]
In the wake of the Masterforce War, the former Decepticon Headmaster Juniors travel to G Nebula 89 in search of new transtectors but are instead sent to the Legends World for safety's sake.[6]