You can only bring one companion at a time. Each offers a different tactical advantage:
Throughout the story, you will face choices regarding how much of your humanity you are willing to trade for demonic power. These decisions affect both your appearance and your stats. Bound By Flame
: This is your secondary support tree. Skills like Flame Weapon (adding fire damage to your blades) and Guardian Flames (a defensive shield) are highly effective regardless of your primary stance. The Human vs. Demon Path You can only bring one companion at a time