Level 100 CI Crit Dual Strike of Ambidexterity Assassin^3.27

Notes

MANA ISSUES, Megalomaniac with Quick and Deadly + Electric Presence, Sublime Form, Self-Control
ALTERNATIVELY; 
Helmet with Reservation Efficiency implicit, Loathing Essence, 
Amulet with Wrath Reservation or Reservation Efficiency
Level Precision until 100% Hit Chance (does not have to be 21, saves mana)
Soul Siphon Node at the start of the tree

ACCURACY ISSUES You can get these on Jewels to ease up the accuracy requirement.
Abyss Jewel Accuracy Rating
Viridian Jewel x2 Global Accuracy

BEST Basic Jewels Learn Trade for These Items function on top of the Items;
https://www.vhpg.com/how-to-find-poe-session-id/
Select PC Mercenaries League then put in your session ID
Make sure adjust search weights to only COMBINED DPS (unless you set up your Full DPS, etc)

Basic Crit Jewel https://www.pathofexile.com/trade/search/Mercenaries/8XJynp2iV
Better to use Trade for These Items, but if lazy, just sort the SUM, put price limit to what willing to spend.

Ephemeral Edge https://www.pathofexile.com/trade/search/Mercenaries/5zlWqLefa
10-15% Is the roll that matters, the 40-50% top roll isn't as big as the bottom roll.
Enchant or not enchanted; doesnt matter too much; the min-max is % Crit but most of the swords on the market is bricks from the Smite Tricksters
Fortify Corrupt is mandatory

BUDGET Flask Setup NON-MB  https://www.pathofexile.com/trade/search/Mercenaries/kZEjDY6c5
Choose your 3 Flasks ( I recommend Granite, Jade, Diamond, but this is preferential)
Then choose a 3 suffix combination to put on all 3, has to be all different, and any T1 prefix that helps with charge gain for more uptime.
Different 3 suffix combinations on different flask can be significantly cheaper vs Diamond with Crit Chance Suffix, use the trade link.
The Top Table on the trade link is prefixes, bottom table is suffixes, choose 3 suffixes that you like.

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Crafting the Rare Gear
In general you will pick an affix to have fractured/buy fracture base (for over quality you'll likely fracture yourself)
Then its finish the prefixes or suffixes of said item.

ilvl 84 Warlock Gloves https://www.pathofexile.com/trade/search/Settlers/Qa3o8qvFw
Attack Speed Fracture 18% -> Woe Spam until T1 ES% -> Eldritch Craft Suffixes
ES% or ES Flat Fracture -> Zeal Spam until T1 Int and Suffix of your choice (OPTIONAL: Suffixes cannot be changed, Veil Orb for Attack/Cast Speed Focus) -> Eldritch Craft Prefixes

ilvl 85 Lich's Circlet https://www.pathofexile.com/trade/search/Settlers/mqZekGMH6
ES% / Mixed ES% Fracture -> Woe Spam until Prefixes are Finished -> Eldritch Craft Suffixes
ES Flat Fracture -> Spite Spam until Suffixes are Finished -> Eldritch Craft Prefixes

ilvl 84 or 86 for T1 MS Warlock Boots https://www.pathofexile.com/trade/search/Settlers/yqpkBgGTR
ES% / 35% Movement Speed Fracture -> Woe Spam until Prefixes are Finished -> Eldritch Craft Suffixes
ES Flat Fracture -> Spite Spam until Suffixes are Finished -> Eldritch Craft Prefixes

ilvl86 Necrotic Armor https://www.pathofexile.com/trade/search/Settlers/5a4wMXeFa
Dense Spam till happy ( Can be used on a Fractured Base )
(May be better ways to go about this) https://www.reddit.com/r/pathofexile/comments/1f5k4uq/guide_how_to_craft_bis_trickster_body_armour_for/
Note: I just recommend buying an armor, crafting this is a pain (if not recombining) and isn't profitable unless you get lucky

Claw Base 7-8% Attack Speed Synth Implicit / 5-6% If Budget https://www.pathofexile.com/trade/search/Keepers/JBa6KKq9Il
Base needs Natural 1.6 APS (Imperial / Hellions / Noble / Tiger's Paw / Sparkling / Cat's Paw / Nailed Fist )
Zeal until any combination of the 2 (annul until you can multi-mod), then multi-mod Lightning Damage with Shocked and then if open prefix Ele with Attack Skills, if open suffix Double Damage or Double Damage with Focused.
Flat Lightning T1 or T2
Ele with Attack Skills T2 (T2 will be max unless the base is ilvl 86) 
Intelligence T1 or T2

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Megalomaniac https://www.pathofexile.com/trade/search/Keepers/ve0B0m0LfE
Quick and Deadly - Mandatory (most DPS)
+ any of the following
Brutal Infamy
Force Multiplier
Evil Eye
Feed the Fury
Fuel The Fight
Doedre's Gluttony - For Culling (Optional)
Bloodscent - Rage on Hit (Min-Max), you can get Bloodscent on a Large Cluster instead, dropping a Quick and Deadly OR Lethal Pride with Rage on Hit

For Mana Issues grab these with Quick and Deadly
Electric Presence
Sublime Form
Self-Control

Very nice to have
Enduring Composure 
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BUDGET Large Cluster https://www.pathofexile.com/trade/search/Keepers/lgoa077wsV
https://imgur.com/a/HSQXmvm - If in the subtext at the bottom with the description, if QUICK AND DEADLY is in the MIDDLE it is BRICKED, you need QUICK AND DEADLY at the start of the cluster.
In the image example, the top cluster will work, the bottom cluster is bricked (import it into POB if unsure by clicking the + sign bottom left)

Large Cluster https://www.pathofexile.com/trade/search/Keepers/8rl7ZqW8FV
Quick and Deadly - Mandatory (most DPS)
+ any of the following
Feed the Fury (most DPS min-max)
Fuel the Fight
and any Notable Suffixes Smite The Weak/Heavy Destruction/Martial Prowess

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Watcher's Eye - Do not mix Precision and Clarity unless you really want to run both auras as an additional

Wrath Lightning Penetration - Most DPS

+ any combination of the following

Wrath Lighting Damage 
Wrath Phys Dmg Convert 
Wrath Phys Dmg Extra Lightning 
Wrath Crit

Precision Atk Dmg 
Precision Atk Speed 
Precision Crit

Clarity Mana ES 

Grace Movementspeed
Grace Suppress 15% 
Grace Chance to Evade 

Discipline with Energy Shield on Hit

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Lethal Pride
https://vilsol.github.io/timeless-jewels/tree - Lethal Pride , DD , Rage on Hit

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Mageblood Flask are flexible pick 4 suffixes for your build 
https://www.pathofexile.com/trade/search/Mercenaries/lrpJjZjUV

Mandatory
100% Stun Avoid (via tattoos, boot implicits, flask) or Brine King Pantheon
100% Shock Avoid (via jewels, boot implicits, flask)

Optional
Reduced Reflect Damage on Flask 
Reduced Effect of Curses on Flask

Amulet
Ashes of the Stars (Pretty good DPS)
Whispers of Infinity (Very Defensive, HUGE QOL for Cannot Leech/Recover/Regenerate Maps especially when combined with a ES on Hit Discipline Watcher's Eye)
Yoke of Suffering (More Resistances)
The Utmost 
Maylene's Fallacy (Accuracy + Culling) (Not as good on Assassin due to built in Culling already)

Big Boy is going Focused Amulet with +2 Lightning, +2 All Skills, Crit Multi
Bigger Boy Reflected +4 All Skill + Crit Multi (Dont get -4 Lightning Skills with it)

Forbidden Jewel Pairs
Assassin>
Soul Drinker ( For always leeching )

Trickster>
Knife in The Back or For the Jugular (Damage/Culling)
Born in the Shadows (Defensive, Blind Immunity)
MIstwalker (Defensive Crit Immunity)

Ascendancy
Assassin>
Knife in The Back (Feels better due to first hit has a higher crit chance = enemy gets low life faster for curses) 
Opportunistic (Good for Single Target DPS/Survivability in Crowds like Blight Bosses)
Death Marked (Open up 2 gem sockets, less mana intensive, stronger Assassin Mark and Marked Monsters Cannot Evade)

Trickster>
Polymath (Recover on Kill)
One Step Ahead (Action Speed Immunity)

Endurance Charges
Warlord's Mark
Enduring Composure

Frenzy Charges
Mark Mastery
Poacher's Mark

Power Charges
Assassin's Mark
Anathema Trigger

Suppress Mastery
If fully suppress capped; don't take Chance to Suppress Spell is Lucky, take Prevent 3% instead, put the point elsewhere.

Map Mods
Cannot Block - Attack Mastery above Ambidexterity, get Monsters Cannot Block Attacks
High Regen Bosses/Uniques/Rares - Mark Mastery Cannot Regenerate
Crit Maps (when not running Mist Walker) - Mark Mastery, Marked Monsters cannot Crit

Manifold Ring Craft i82 minimum 
Essence Torment for Lightning Flat till T1 Elemental Damage with Attack Skills %, then Fracturing Orb

If Lightning Flat Frac -> Woe or Scorn till happy

If Ele with Attack Skills -> Torment till happy ( you can Woe or Scorn but Lightning Flat is weighted against you )

Optional: Lock Prefixes, Veiled Chaos Orb for Lightning+Cold Damage prefix or Stat Suffix, can also have crafted prefix % Damage if open prefix with slammed suffix.
If using Scorn, its Lock suffix and Veil Exalted Orb

https://www.reddit.com/r/PathOfExileBuilds/comments/1fgcoc9/writeup_and_showcase_ci_trickster_dual_strike_of/
hammer_wow's writeup, has a lot of tech/tips, some outdated since Tribal Fury is a mandatory annoint, no Sione's Ambition :( 

Grafts
Endurance Charge on Hit
Non-Vaal Strike Skill +1
Increased Attack and Cast Speed 
Increased Attack Damage
Increased Crit Chance / Crit Multi
(honestly any buff that we can use is good)

Jolting = More Damage, More Damage Taken
Molten = Another Defensive Layer