Hollow Ones
The Hollow Ones were individuals who had their souls drained , resulting in a state of mindlessness. They can manifest as mindless ghosts from the Spectral Lands or as people from the Merged Lands who had their souls taken. . During the spectral invasions led by Thunderfang , the Forbidden Five and the Spectral Dragonians stole souls of those from the Merged Realms were exploited in a ritual aimed at transforming Thunderfang into a Source Dragon . Following Thunderfang's defeat in the Spectral Lands, all the stolen souls were returned to their hosts, while the Forbidden Five and Spectral Dragonians disappeared with Thunderfang. .