[quote=@LowKey123]
Charon's fire is cool to the touch, so probably not.
[/quote]

He's cool to the touch unless he's experiencing really intense emotions like
Crying, Fear, Anger, Determination.

Molten tears, Sparking Fear, Firey Rage & Determination. 
He's warm if he's happy, sick or embarrassed. 

That's Will-o-Wisp 101.