Nova of Corruption

You start playing as the princess neo heir to the throne, who awakens to find her kingdom besieged by a demonic horde.
The princess had no choice but to run to the castle underground dungeon and summon NYX. the enigmatic protector of the true royal bloodline and wielder of forbidden sorcery
Can the princess reclaim her throne and save her family?
Which path will she takes to build her magic deck?