Mark of the elemental (Fire)

You have manifested the mark of the Fire Elemental. Determine its appearance. You gain the following benefits:

• You are immune to fire.
• You learn the spell fire bolt. You can cast it using your spell attack modifier, if you don't have a spell attack modifier you  use your dexterity or strength score plus proficiency bouns. 
• You can speak Ignan.
• You can use you action to shed bright light in a 30 foot radius and dim light in an additional 30 feet.