
Originally Posted by
Sunnie
I think it's because practically nothing resist sonic damage so it's considered a very powerful damage type. That's also why there's no RL belt for sonic spellpower.
Also, I read somewhere that until the entire augment system has been overhauled and unborked so it doesn't get exponentially more complicated every time a new augment is added we won't be getting any more of them. That's also why we're stuck with really quite bad damage on the rubies and spellpower severely lagging behind what you find on equipment, if they went and adjusted the values now they'd greatly increase the amount of work it takes to untangle the spaghetti code later on.