Giving the extent of the burn you need to take your animal to a vet so he can assess the burn and prescribe anti-biotics which can be necessary in the case of a severe burn.4 inch split on his back were he burned himself and dried out to the point his skin is spiting and i think it might be infected i hope we can get him through this
In the mean time clean up your enclosure put some paper towel to replace your current substrate, reduce the stress to a minimum, no feeding and make sure your heat source is secured and controlled.