Armor of Flames

While Endure Heat protects against lava, it doesn't help against fire attacks.

For this case, this spell instead is used. Once cast, the Sorcerer is surrounded by blue flames that block off any kind of magical fire attack, as well as any natural fire damage. However, in return it does not protect against lava in any way. Be warned however that after three minutes, the protection is going to fizzle out, so finish off the foe fast or leave the area of danger.