Heres what i've found fun.
A. Make some nutty macros...people luv it when u spam an annoying noise over and over again. Or, even better take your highest lvl job to an area where new jobs are leveled and pull a linking mob then run around screaming "Ahhhhh! OMFG a <t> is chasing me at <pos>! O the humanity..."
2. Camp NMs that have drop rates as frequent as Haley's Comet appears in the atmosphere visible to the human eye.
-Hoo Mjuu the Torrent - Spawns at H-7 in Giddeus
Drop:Monster Signa-BRD Thingy worth ~360+k
-Leaping Lizzy - Spawns in s.Gustaberg just look for a
buncha rng's perched on top of rocks
Drop:Leaping Boots(duh!) worth ~265-300+k
-Valkurm Emperor - Spawns in the noobhole...er...Dunes
Drop:Emperor's Hairpin worth ~360-400+k
-Jaggedy-Eared Jack - Spawns in W.Ronfaure
Drop:Rabbit Charm worth ~200+k
*Note* i dont suggest NM camping unless you have TH (Thf lvl 15)or TH2 (Thf lvl 45). And its easier to make 22-30k an hour farming outside Windy killing Crawlers for silk (~12k a stack of 12), Goblins (Thugs = Wild onions ~4k a stack and other assorted goblin armors), and Stealing from Mandragoras for Saruta Cotton (~4k a stack).
III. This is my favorite, though least successful =P, get your country to climb the Conquest poll. Bastok has been sucking hindtit for many many months now and I've regularly been staging an all out assault on the E.F. and Supply quests with the help of a select few. Its fun having a bunch of your countrymen stomp thru an area claiming it in the name of {insert nation here}.
D. And last, but certainly not least, help someone out. Often as im stealing some noobs lvl fodder in West Sarutabaruta i get /tells for help getting Giddeus keys, and with my RNG/THF i'm more than happy to kill Yags for someone til they get a drop. Or when i'm playing my role in the Selbina Noob Protection Force (SNPF) ill see someone looking for their subjob quest items and killing a ghoul, fly or crab or two takes little time, so ill party up and go weak mob murdalizing.
I'm a big believer in karma in this game. If u help someone out (helping for a fee is not really helping ><) out of the goodness of yer heart or the want to do some good, your rep and your ability to recieve a return later on will be easier. Help someone and then tell them to do the same for someone else sometime. Good karma makes the world go 'round.
Ok so theres a long-winded, sidetracking, tangent-filled answer for ya, Cetra. This game holds a lot more than leveling. Not a lot of people seem to get that and i, for one, salute you for grasping this idea, a priceless key item! Have Fun!
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To those who came before us...Sorry For The Inconvenience!
If you take offense to anything I've written here, please:
"Remember it. Write it down. Take a picture. I. Don't. Give. A.
Fuck." - Smokey