(Cursed Fusion) Melding Elphad Mado

Lore
Elphad Mado chuckled as she brandished her dark artifact. "The colossus it made from the combined monsters was worth the trouble of stealing it. Now, if I can just get my hands on the Boundless Tome, the kingdom is as good as mine."

Acquisition
See Melding Elphad Mado

Name origin
?

Additional Info
Hidden Boss during the Horn of Ilmaris Raid Event.