FFXV secret areas in the game, dungeons, caves, monsters - Iron Giant, Cactuar, Bandersnatch Boss, Black Scorpion, Flaming Sword Red Iron Giant, Arba. You can see unique magic spells here, epic crafting of Blizzaga, Firaga, Thundaga.
Secret weapon - BioBlaster / Machinery gameplay and location.
All taken from the Judgement disc Demo, those places will be accessible in the full game.
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