Feel free to comment if something is lacking or incorrect so ill update it.
Equipment & Stats
-Main-hand weapon:
Dagger - (tiered to the highest tier), (gives the most damage).
-Off-Hand:
Dagger - (Stat Stick), (rogue/mage benefits best from dagger).
-Armor:
Leather gear:
Yanamori set and Darkfang set (Highest damage, moderate pattack, high crit chance)
or
Yanamori set and 4pieces level 100 quest gear (Moderate damage, high pattack, low crit chance)
or
Resolute set, Divine set and Nebula woods set including trinkets (Low damage, Highest pattack, high crit chance)
Trinkets:
Full speed trinke set and 2 pieces level 100 quest trinkets
-Stats
Dex/P.att - x4
Str/P.att - x2
(For highest pattack)
Buffs
-Long duration buffs
[Grassland Mix] - (+10% HP)
[Steamed Fish Steak] - (+15% Pattak)
[Hero Potion] - (+20% all attributes)
-Short duration buffs
[Strong Stimulant] - (+25% attack speed)
[Extinction Potion] - (+650 crit hit rate)
[Caviar Sandwich] - (+10% crit hit dmg) these can be crafted from your housekeeper.
ItemSetSkills
[Greedy Blood Maggot] - (From Kulech Bones Nest)
[Poison Pangs] - (From Bethomia)
Skills
-Main damage skills:
[Enchanted Throw]
[Normal Attack]
[Throw]
[Shadowstab]
[Low Blow]
[Wound Attack]
-AOE damage skills:
[Enlivened Blade]
[Day Of Rain]
-Trash damage skills:
[Shadowstab]
[Enlivened Blade]
Here is a list of skills I would recommend that you get to maximum level
-Rogue General Skills:
1.[Nimble Hands]
2.[Throw]
3.[Shadowstab]
4.[Agility]
-Mage General Skills:
1.[Silence]
-Rogue Specific Skills:
5.[Illusion Blade Dance]
6.[Dagger Mastery]
7.[Low Blow]
8.[Wound Attack]
SkillRotatio
-Buffs
1.[Lute/tamb]
2.[Unknown Choise]
3.[Caviar Sandwich] - (or the house maid one)
4.[Informer]
5.[Strong Stimulant]
6.[Fervent Attack]
7.[Create Opportunity]
8.[Assassin Rage]
9.[Premeditation]
-SkillRotation:
1.Start with [Throw] and run melee distance.
2.Use [Shadowstab], [Low Blow], [Wound Attack] and try to spam normal attack with [Throw] at the same time.
3.Repeat till boss is dead.
Enchanted Throw with level 70 eliteskill and high attack speed does 80% from all your damage so spamming that Normal Attack is very important!