Overview
This is the high-budget endgame setup for a cast-on-crit Sorceress that uses Spark to proc Arc, melting maps with overlapping lightning. Spark provides the crit hits (sitting around 84% crit chance) that trigger Arc, while Orb of Storms in a Spellslinger generates lightning remnants that each grant Arc a huge 200% more damage. Frost Bomb layers heavy exposure to push enemy resistances deep into the negative.
By the creator’s own framing this is the juiced version — a Mageblood, a crafted plus-six wand, and a high-roll focus carry it, with around 10k energy shield now and a target near 20k once min-maxed. It is fast, smooth, and rarely dies, but it is firmly an endgame showcase rather than an accessible starter.
Pros & Cons
Pros
- Everything melts — strong, near-instant clear across maps
- High crit chance feeds a reliable cast-on-crit trigger loop
- Heavy exposure stacking from Frost Bomb shreds enemy resistances
- Very tanky once min-maxed, with a large energy-shield pool and easy recharge
Cons
- A genuinely high-budget build — Mageblood alone was around 240 divines
- Mana is a recurring problem as Spark gem levels climb, needing remnants and Zenith
- Cast-on-crit, weapon swaps, and remnant pickup make it mechanically busy
- Some abyss/reflect interactions cause projectiles to get stuck or mobs to look immune
Key Skills
- Spark — the crit-generating projectile that drives the whole build
- Arc (cast on crit) — triggered nuke, doubled by lightning infusions/remnants
- Orb of Storms (Spellslinger) — instant-cast generator for lightning remnants and blind
- Frost Bomb — cascade setup for cold infusions and, mainly, heavy exposure
- Elemental Weakness (cursed ground) + Charge Regulation — curse uptime and crit from power charges
Gear & Anointments
Centerpiece is a crafted dueling wand (a plus-six with gain-as-extra, or a plus-seven variant) plus a focus rolled for plus-two crit chance, cast speed, and a stack of energy shield. Gloves with extended remnant pickup radius are a standout for mana sustain and infusion collection. Rings want cast speed, all-elemental resistance, double rarity, and spell damage while on full energy shield; the body provides the 151 spirit the build needs. Prism of Belief gives +2 Arc cheaply. Exact crafts should be confirmed against the source video.
Endgame Notes
Future upgrades target quality-of-life and scaling: Rakiata’s, radius jewels to save passive points, Voices, and The Adorned. Energy-shield recharge is solved largely through jewels rolling increased start-of-recharge, aiming for a sub-two-second recharge while pushing the ES pool toward 20k.
Credits & Source
Build credited to Bigdaddy. See the source video for the full gem links, wand crafting, weapon sets, and tree: Endgame Cast on Crit Arc Spark Build Guide 0.5.