First of all, if you want to increase your damage as rng you should concider your weaponskills first as SlugWinder will be your primary source of damage if played agressively and used as soon as you hit 100% TP. In most my parsers my R.Attacks is about 40%, Barrage 10% and Sidewinders 50% of my total damage.
To increase damage you should concider two things at first. Decreasing your number of hits to reach 100% TP and cap your accuracy.
As you're using V.Bow and D.Arrows you have a 7 hit set-up w/o any sTP. to hit a 6 you need 13 sTP and a 5 hit 36 sTP. A 5 hit build is possible, but requires quite alot of top end gear. 6 hit is very manageble tho and only requires you to either just sub /sam or use an assortment of enkidu/rajas/skadi legs/mekke shakki/ mirke aug. etc when subbing /war or /nin.
Capping accuracy is the next concern, and this question is harder to answer as it depends alot on your situation. What mob are your fighting/what food your using/what buffs your are reciving etc. Only recomendation I have here is try to use the food Pot-Au-Feu and use a parser to see what accuracy you're having.
(I recommend Pot-AU-Feu as it gives a really nice boost to r.acc and r.atk at the same time, its stats are still shrouded in mystery but I have found it to be very convenient to raise both accuracy and attack)
A 3rd point is to try to cap Sidewinder accuracy. SlugWinder has a accuracy penalty at low TP, how large it is isn't known atm. I like to add about ~30 acc from my TP setup to my WS setup and I stay at above 90% hitrate with sidewinder. Also use Sea Gorget and exchange snapshot/rapid shot/sTP pieces you have in TP for R.Acc and STR in WS.
Sidewinder does impressive damage when stacking STR, but inaccurate, so it's in most cases more beneficial to fire at every 100% TP but for lower damage.
To give my oppinions to a few other points in the thread:
- Enmity is really nice if you have the gear to stack it up (Novia, AF2, buccaneers etc) for longer fights you get to use RNG for. For shorter fights like merit mobs/dynamis etc, don't bother with it. Me personally usually don't build for pure -enm as I can wipe my hate by dying if it get's a problem with me pulling hate, as being RNG, I can continue DDing just as fine weakend.
- Best mod for Weaponskills is STR, as ranged attack calculates the fSTR differently than melees, so if you assume you have a high STR/enemy VIT value (which is true for most things if you gear up on STR) every 2 STR you add will add your base damage by 1. That is about the equivalent of STR being a ~60% WS mod (don't qoute me on that as it was a quick calculation in my head) when concidering floorings etc in calculations. Note this fSTR bonus also applied for normal ranged attacks. (So a vulcan staff will do the same damge as a fire staff in many cases due to floorings)
GL with your ranger, it is indeed fun to play at most events.
(Also I see alot of replies have been written while writing mine, so I hope my advices still are intresting.)
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