4th job makes for wild hunter

You'd use it whenever an adventurer or wind archer would use Arrow Rain or Arrow Eruption.

Chemical Shell doesn't afffect you or your party; it affects the targetted monster.

So that means that anyone who kills that monster will get the exp boost on it? Also that would mean that HS stacks with it too correct? Bit confused on how that skill works? Is it a worthy skill or just bleh like Taunt is for NL?