Shin Megami Tensei: Devil Hunter Zero

About

Devil Hunter Zero is a social game with an original story featuring much of the common series gameplay like dungeon exploration and regular elements like the demon compendium and demon fusion. Players take on the role of a human who has stumbled into the Expanse. Under the guidance of the mysterious Mastema, they learn how to contract demons and become devil hunters. As players complete more missions new areas of the game world are unlocked. Over 300 demons appear within the game. Devil Hunter Zero introduces demon crystals, which can be turned into demon companions at the Cathedral of Shadows.

Source: IGDB