Thanks to the demonic energy and blood you are now considered demonic.

Your Constitution score increases by 1, and your Charisma score increases by 2.

Elemental Demons are eternal and die only if killed.

Based on their creating elemental Demons habe a innate tendency toward evil. But as long as they fullfill the wishes of their master, they can even be chaotic good.

Elemental Demons are the size medium, their appereance distinguishes depending on the element.

Your base walking and flying speed is 30 feet.

Thanks to your infernal heritage, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.

You are able to change your appearance to an normal looking humanoid. But this will not withhold a deeper investigation or disguises your fiendish heritage.

The Investigation DC to see through your Glamour is 8 + your Charisma Modifier + Proficency.

You can speak, read, and write Common, Infernal and all languages you knew before the transformation.