Then its a good sword
All you need is another mod to be placed on the sword
Since the hilt is now fire, you have to get a pommel mod.. Here is a list of what you can expect and avg prices if you have to pay for one
Pommel of Defense +4 750gp
Pommel of Defense +5 3k
Pommel of Shelter +7 vs Physical(1-2k) +6 (350gp)
Pommel of Warding +7 vs Elemental(2-3k) +6 (500gp)
Pommel of Enchantment: 20%(50k) 19%(25k) 18%(10k)
Pommel of Fortitude: 30hp(50k) 29hp(10-15k) 28hp(5-8k)
Pommel of Swordsmanship +1: 20%(20k) 19%(8k) 18%(4k)