Or maybe you should add in Fire shards as well that you recieve at level 6 or 7. 2x damage as ice shards and acts the same way, only the fire is in a straight line and shoots as 2x the normal speed. Something like that would be awesome. You should also add in the icewand that you recieve at level 5 or 6 which would also be interesting.
I'll sort out the weapon names down below.
-Fireshards- Read above.
-Icewand-Need I say more?
-Chain lightning attack-Throws lightning from hand that links to any enemy in site.
-Windwand-At impact causes a cyclone to rise the enemys a few feet into the air and cause damage.
-Earthquake-2nd weapon in the 3rd slot next to lightning hands. Causes earthquake damage to enemys.
-Lightningwand- Small bolt hits enemy from the wand.
-Sheild-Red, white, blue, green, purple, yellow, and black orbs surround you causing any attack to reflect back at the oppenent and drains mana from magical attacks to you.
-Inivisiblity-Cloaks you for 30 seconds
-(Fire, ice, lightning, etc)Elemental- Summons a elemental to aid you in destroying monsters.
-Supervision- Increases eyesight causing you to see items through walls(if it's even possible). gives off a red glow on any item seen.
-Teleport-Teleports you to any location on the map your cursor is pointed at, thus meaning you can't teleport out of blocked areas or locked doors, or teleport in.
-Fire sheild-Please tell me you know how this works out.
That's some idea's you could implent into the korax mod, this probably isn't the right thread to do so but if you take my ideas into consideration let me know.