Preperation:
1) Be able to make pale or dim orbs, mine salt rock, and have some way of getting water
2) Bind to Mahagra or Settlement: Heather (Heather has free ports to the racial cities)
Making the Snowballs:
1) Go to Mahagra and port to Guild: Sakon
2) Run/walk northwest to Wisp Isle and fill your inventory with dim essence if you want regular snowballs or pale essence if you want packed sonwballs
3) Turn all the essence into orbs
4) Count the orbs and gather that many salt rocks
5) Recall and go to Sslanis
6) Go to the well near the portal and get twice as much water as orbs.
6a) If you're a dragon, Get a bi-ped to get you some or find a monster that drops water
7) Run into the building, past the vault keeper, to the Essence Channeler
8) Make some snowballs
9) Throw them at people