Meridian Chronicles: Keepers & The Soul Key (#4) - Meridian Chronicles, #4

What has happened to Aiden after his selfless act of sacrificing his life for Meridian? Where did Meridian go? True love can break the curse, but only an act of true love from a twin soul sets her free.
Their epic and sudden departure have left their friends, witches, fairies, and spirits in search of their souls.
While the high court demons strategize their attack of the hall of souls to absorb the angels' power — the only demoness at court has her secret obsession, and she used Moloch, the dark one's soul collector, who may have taken more than just one soul of a wicked witch.
Astaroth's secret obsession and help from Moloch may indirectly help the dark one's plan. But there is one problem that lingers.
Lahash, the rogue demon of the high court, has been charged to destroy his obsession, Echo, the Earth nymph. After kidnapping her and taking her to the dark realm, she is weakened and cannot fend off the brooding demon's lust. In a passionate moment, Lahash finally confesses why he is so obsessed with the nymph, and she admits her secret knowledge of human souls.
The search for Meridian and Aiden surfaces a shocking revelation. Aiden is trapped and needs to be saved, but from who?
The spirit guides demand the return of a spirit guide from the keepers, who remains in the hall of souls. They believe this spirit guide can stop the demons, save the spirit guide realm, find Meridian, and save humankind.
The keepers, known as the angels, have one request that the chosen one must accomplish before Etheria can be saved, and Aiden to be returned. There is only one weapon that can destroy the demons, and it is the angels' quartz sword hidden on Earth.
Will Etheria's chosen one of the spirit realm find the sword? Will the demons be destroyed, or will dark one's plan triumph? Can the fallen finally be freed of their awful fate? Will Lahash kill Echo?
Find out if all is to be in vain or if the chosen one can defeat the demons, connect with her twin soul, and form the powerful soul key that can save all.