You are the boss of this Cathedral.

Puny humans, bugs under your feet, have invaded your lair. Time to teach them a lesson and defend your domain. Use your incredible agility to run circles around them and your fiery breath with 3 attack modes to set them ablaze. Turn your foes into ash or blast them into gory bits and show the world who’s the boss of this Cathedral.

Your heart is hidden in a chest. No, not your chest, think wooden box used for storage. Anyway, the humans are weak but they are cunning. They will try to destroy your heart just as rapidly as they’ll try to destroy you, so you need to protect it. That chest is also where your store the essence that allows you to keep barraging the uninvited guests with fire, so make sure to have the box with you when collecting ammo.