LINE Blood Covenant is a free-to-play mobile game for iPhone developed by LINE Corporation. It is an adaptation of the popular IP 'Blood Clan' and takes place in a world of supernatural beings hidden in the real world. Players take on the role of these beings and join forces with humans to create a modern legend.

The game has simple and easy-to-use controls. It features an innovative screen-swiping operation mode that, combined with card decks, allows for flexible and strategic combat. The battles are full of surprises, and the game offers an immersive experience that will keep players engaged.

It is important to note that this game is rated 12+ according to game software classification management regulations. The content involves violence, and some characters wear revealing clothing. Additionally, some parts of the game require additional payment. Players are advised to avoid addiction to the game.

LINE Blood Covenant is operated under license by Taiwan Connection Corporation.