C387 Phantom Set

I rubbed my eyes vigorously. I didn't see wrongly, it really is a Immortal Weapon, isn't its attribute too powerful? My Soul Aching Sword level 100's attack power is only 1820 after hitting the gem. But this level 120 Immortal Weapon's attack limit is double!

Sure enough, it's as I expected, although the Immortal Weapon is only one level higher than the Ghost Weapon