Job 3: Sniper or Ranger

Again; Wizet shows their superb creativity by making Snipers and Rangers differ in 2 skills... and one of those skills still does the same thing.

So here is the only true difference in 3rd job skills for Snipers and Rangers:

Inferno (also known as Fire Shot)
Hotly debated skill right now; few facts known. Hits up to 6 opponents for 150% damage at max level. No one knows how Elemental weakness/advantage works for this skill. Unlike Blizzard, if you get this skill; it is for the kill. Because of the unknown damage formula; it is difficult to compare this skill at all to other skills. Untested theories/hunches right now place Fire Shot to do up to 375% or maybe its max is only 300% damage with critical.

Blizzard (also known as Ice Shot)
No sniper should get this skill over level 21. At level 21, you got 100% chance of freezing your enemy for 3 seconds (unless it is strong to ice). Even at max level; Ice Shot does pathetic damage as it receives no critical. Similarly to Fire Shot; no one knows the damage formula. The difference is that Snipers don't care for the damage formula cause this skill is too pathetically weak. Nonetheless, get it for the 3 seconds of freeze. http://strategywiki.org/wiki/MapleStory/Bowman_Guide/Skills