Depend on the farming content that you like to do:
1 DG300 Daily Run (660k + Talts + Cards earn around 1m for 3 runs)
Enchanter2 (1/5)
- Lack of AoE, may rely linker/cryo to kill faster.
Sage2 (2/5)
- Can kill with ultimate dimension, but rely cryo3 to frostpillar.
Shadowmancer2 (3/5)
- Condensation/Conjuration are good aoe, but CD is a bit long, if have linker+thorn can be 5/5.
Sorcerer1-3 (5/5)
Warlock3 (5/5)
- Demon Scratch + Invocation is a beast
Featherfoot3 (1/5)
- High CD, lack of AoE, may rely linker/cryo3 to perform enervation or other skill to trigger.
Elementalist3 (4/5)
- Still quite weak at lv300, but with some investment in attribute and weapon, every of its skill can 1hit kill, consider expensive to play since you need weapon/attribute.
2 Challenge Mode/Unique Raid (If stage 5 can get at least 10 piece gears and big chunk of exp, eventually a step-stone for unique raid to get some ultra expensive recipe for sell)
Enchanter2 (1/5)
- Lack of AoE, basically you won’t rely on this circle to do challenge. But they helped as a support, or cryo3chrono3 is wonderful for challenge party support.
Sage2 (1/5)
- High CD, basically you won’t rely on this circle to do challenge, but good missile hole and duplicate support. Same, if cryo3chrono3 is wonderful for challenge party support.
Shadowmancer2 (3/5)
- Might SP insufficient, lack of skills and small window of CD, but powerful enough to kill things. Good thing is unique raid most mobs and boss are holy element = double damage.
Sorcerer1-3 (4/5)
- Good Aggro, large sustain AoE damage, a good damage mitigation in challenge mode, you helped your party draw out lot of aggro, but lack of burst damage to kill fast to fulfill the gauge bar.
Warlock3 (5/5)
- Demon Scratch + Invocation is a beast, best DPS class for challenge mode in game especially with a Cryo3Chrono3 in party. With looting chance gears you get lot of drops for your party in challenge if you able to be the last hit (which is easily with demon scratch). Unique raid also deal good damage since many mobs are holy element.
Featherfoot3 (2/5)
- At least can be Healer and Enervation as dps support, but CD is long… most time don’t know what to do, rely on lower circle to support the party.
Elementalist3 (4/5)
- Same as (1), need high investment to make it viable, frostcloud cannot hit flying (especially Sausys 9 a lot!), some skills have AAR/target limit, but overall is good filler for Warlock3.
3 Free Dungeon (hunt orange gears, cards album, opal/ruby)
Enchanter2 (3/5)
- Need some investment in matk, else link can break before things melt. Not viable for swell mobs, unless you have 10k of matk, but not so worth to invest high matk in enchanter build for farming purpose. But with high dex/int can be a great small AoE dpser.
Sage2 (3/5)
Shadowmancer2 (5/5)
- If invested it can be 5/5, the most valid build to perform JP+HK+Swell, but still need very good Matk/Loot Chance only worth to do so.
Sorcerer1-3 (5/5)
- You need T5-T10 gears with Marnox card to cheese melting here, else with linker2-3 is also very valid choice.
Warlock3 (4/5)
- A bit high CD, demon scratch + invocation is beast but you need distance to unleash the full power, hence you need cc skill like frostpillar/firepillar/raise/JP+HK/Sleep to manage that, powerful but slow, not need high investment. Mastema with attribute also a guarantee can kill skill to use.
Featherfoot3 (5/5)
- Can be stronger damage than shadow with multiple debuff and link’s poison attribute, rely on linker (and thauma), but shadowmancer2 already can do the job of ff3, so peoples prefer link2-thaum3 compare to link2-thaum2 which looks incomplete.
Elementalist3 (3/5)
- Start falling off due to high mdef and hp, hardly kill anything with skills unless you invested a lot.
For the rest of content, like farming in general maps for mats and questing, as long as you have 1 of the dps class you are doing fine.
So, enjoy building your farming wizard