PoE 3.9 Shadow Arc Lightning Spire Trap Saboteur Build - Fast, Endgame

Arc has always been a hot skill in Path of Exile and has been further enhanced in PoE 3.9. This Arc Trape build is fast, simple, and very powerful enough to deal with all bosses in the PoE 3.9 Metamorph
Skill Gems Setup
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Enduring Cry
Helm
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Lightning Spire Trap
BodyArmour
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Wrath
Boots
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Arc
Gloves
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Flame Dash
Weapon
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Immortal Call
Weapon
Arc has always been a hot skill in Path of Exile and has been further enhanced in PoE 3.9. This Arc Trape build is fast, simple, and very powerful enough to deal with all bosses in the PoE 3.9 Metamorph
Pros & Cons
+ great map clear speed
+ serious firepower with very low investment
+ end-game viable (need very good reflexes for end-game though!)
+ massive life regen (up to 20% per second and even more with Tinkerskin)
- Squishy as low Life pool (hard to go over 5k)
- Pretty slow with a wand and Flame Dash
- Sketchy for HC
Skill Tree
Ascendancy: Pyromaniac, Perfect Crime, Chain Reaction, Explosive Expert (SC), or Born in the Shadows (HC)
Bandits: Help Alira or Kill All
Pantheons
The Pantheon List
Solaris, Arakaali is also incredibly strong with the regen we get from Ascendancy.
Minor: Ryslatha
Skill Gems
Leveling Gems Setup
At the start you will have Explosive Trap. Use it till level 12.
At level 12 get Arc and start doing this setup:
3L: Arc-Trap Support-Multiple Traps
4L: Arc-Trap Support-Multiple Traps-Added Lightning
Level 18:
4L: Arc-Trap & Mine Damage-Trap Support-Multiple Traps
At level 28 start using Lightning Spire Trap in a second 4L:
4L: Lightning Spire-Added Lightning-Trap & Mine Damage-Advanced Trap Support (or Controlled Destruction)
At level 38 start using Cluster Traps Support on Arc:
4L: Arc-Trap & Mine Damage-Trap Support-Cluster Traps
Endgame Gems Setup
Shaper 5L (Trap Support): Arc-Trap & Mine Damage-Cluster Traps-Elemental Focus/Lightning Penetration (Pen will work better against bosses)
6L Spire: Lightning Spire-Added Lightning-Trap & Mine Damage-Controlled Destruction-Elemental Focus-Concentrated Effect (once again Lightning Pen can be used against tough bosses like Shaper)
Jewels are life, crit multi and lightning added damage: