Build Video
Build Overview
This Witch Crash on Crit build revives the idea that made the Blood Mage so popular last league, but rebuilds it on the Infernalist for 0.5 and 0.5.5. The concept fits in one sentence: cast
Spark with your critical strike chance maxed out, and let four meta gems (two Cast on Elemental Ailment,
Cast on Critical and
Elemental Invocation) trigger
Comet on repeat. On a dense map, GL1TCH3D measures around 810 comets per second, enough to choke the server and blanket the screen.
The engine of the build is the ascendancy node
Pyromantic Pact. Instead of spending mana, every cast fills an Infernal Flame gauge. Once it’s full, you take fire damage proportional to your combined Life and Energy Shield, and the gauge empties. The whole art of the build is making that damage negligible: if each fill only costs 17 Life, you effectively have an infinite mana pool.
Two variants exist. The
Chaos Inoculation version drops to 1 Life and 0 Energy Shield, and builds its entire survivability around ward (the new points pool added in 0.5, which the Infernal Flame ignores): each fill only costs a single point of damage, with no expensive gear required. The Low Life version, the one shown in the video, stacks armor to absorb damage and keeps its life pool low to benefit from low-life damage multipliers. It’s the min-max version, and it explains the « $$$$ » rating on the corresponding gear tab.
Strengths / Weaknesses
✅ Strengths
- Unmatched spell density: about 810
Comet per second measured on a T16 map with three breaches, each trigger launching two
Comet amplified by
Spell Cascade and the quality echo. - Infinite mana in practice: Infernal Flame replaces mana, and mitigation brings the cost of each refill down to about 17 life.
- Two budget tiers: the
Chaos Inoculation variant requires no expensive gear and already runs the same trigger loop. - Low Life multipliers:
Zerphis Last Breath in
Trinity (36% additional elemental damage),
Execute I and
Pain Attunement combine into roughly a 2.3x multiplier on the Low Life version. - Solid defense despite 600 life: over 30,000 armour, 70% of that armour applied to fire, and a ward above 2,700 that recharges thanks to
Remnants of Kalguur. - Customizable:
Comet can be swapped for any triggered spell, as the chain’s « Skittles » variant proves.
❌ Weaknesses
- Relies on monster density: without Doryani-corrupted town maps or stacked breaches, the trigger loop never gets going.
- Min-maxed version is prohibitively expensive:
Mageblood,
Temporalis and a Cast on Elemental Ailment amulet are required for the Low Life variant. - Fine-tuning is mandatory: too much DPS with poorly calibrated mitigation and the character kills itself. The author experienced this at 23 damage per refill.
- Guaranteed lag: the build is designed to saturate the server, which also penalizes your teammates.
Skill Gem Setup by Step
This build offers 2 progression steps from leveling to the final build. Select a step to see the matching gem setup.
Min-max
17 skills • 76 gemmesBudget
17 skills • 76 gemmesRecommended Equipment
- Weapon: a sceptre, chosen for the Spirit it grants. A mana prefix is deliberately crafted onto it, since more maximum mana means a bigger Infernal Flame gauge, and therefore more casts between two refills.
- Amulet: an amulet that grants an extra Cast on Elemental Ailment, which brings the build to three Cast on Elemental Ailment gems plus
Cast on Critical. - Helmet, gloves and boots: hybrid evasion and armour bases with a Runic Ward. They require little strength, which limits the life gained, and
Iron Reflexes converts all evasion into armour. - Belt:
Mageblood with a Basalt Flask and a Granite Flask permanently up, to push past 30,000 armour. - Body armour:
Temporalis, whose Energy Shield is neutralised by
Eldritch Battery and a reduced maximum life roll, to grow the Infernal Flame gauge while lowering damage taken. - Rings: a mana cost efficiency modifier, which spaces out the gauge refills.
- Jewel:
Zerphis Last Breath, socketed into
Trinity, for 36% additional elemental damage as long as two resonances remain at 100. - Runes: a Warding Rune of Protection in the helmet, which grants 353 guard points absorbed first by
Comet, and a Warding Rune of Hollowing in the runic fork to further reduce maximum life.
Gameplay Tips
- Look for density: town maps with Doryani applying his corruption, stacked with three breaches, are the ideal playground. On a sparse map, the build never gets going.
- Blink into the heart of the pack: jump into the middle of the group, cast
Spark and let the triggers do the rest. The video shows ward dropping from 2,700 to 250 in two seconds, then climbing back up thanks to
Remnants of Kalguur. - Watch your damage per refill: aim for under 20 points. If your character dies with no enemy on screen, it’s the Infernal Flame killing you, and you need to boost armour or life reduction.
- Keep two resonances at 100: without that,
Trinity won’t give its 36% damage bonus and
Zerphis Last Breath loses much of its point. - Start with the Chaos Inoculation variant: 1 life point, 0 Energy Shield, over 4,000 ward. It plays without expensive gear and teaches you the loop before moving on to Low Life.
Pyromantic Pact: Infernal Flame Instead of Mana
The Blood Mage of the previous league covered its spell costs by draining life on every hit, then GGG nerfed the ascendancy three times. Reviving Crash on Crit needed another source of unlimited resources. That’s the role of
Pyromantic Pact, the Infernalist node that turns maximum mana into Infernal Flame: every spell you cast fills the gauge, and when it overflows, you take a fire hit calculated from your combined life and energy shield.
This mechanic changes how you build the character. Mana no longer regenerates, and it doesn’t need to: the only question becomes the price of each fill. Anything that increases maximum mana (a prefix on the sceptre) or reduces spell costs (cost efficiency on the rings) spaces out the fills, and anything that lowers your life pool or lets your armour better absorb the hit makes each fill cheaper.
Where This Witch Crash on Crit Build Gets Its Damage
The Low Life version gives up
Chaos Inoculation for a specific reason: low life multipliers. By staying below the low life threshold without dropping to 1 point, the build unlocks four levers.
Zerphis Last Breath, socketed into
Trinity, grants 36% additional elemental damage as long as two resonances stay at 100. The
Execute I support gem brings a multiplier of at least 1.3.
Pain Attunement, on a character that only lands critical hits, adds another 1.3. Combined, the three give a multiplier of 2.3 across all damage, and the
Final Barrage node rounds it out with cast speed.
On the ascendancy side,
Bringer of Flame links the offense to the trigger loop: it massively boosts ignites, which multiplies the activations of Cast on Elemental Ailment. With that much damage behind
Spark, every projectile that hits spins up all four meta gems at once.
Where the Spells Come From: Four Meta Gems in Parallel
A sceptre was chosen for the Spirit it provides, essential to power that many trigger gems. The amulet adds a third Cast on Elemental Ailment, on top of the two socketed versions and
Cast on Critical. As in the previous league,
Elemental Invocation serves as the fourth meta gem. The wand
Spellslinger, which provided a fifth trigger source on the Blood Mage, didn’t make the cut here: the build needs the effects of the runic fork and the ward, so it has to settle for four « cast on » triggers.
Each trigger gem holds two
Comet, each amplified by
Spell Cascade, which triples the impact area. Quality on
Comet adds a chance to echo. It’s this cascading multiplication that explains how a single
Spark can cover the entire screen.
Mitigating Infernal Flame: From 1,700 to 600 Life
Without any of the build’s tricks, the author would total more than 1,700 life and energy shield, meaning that much raw fire damage on every fill. After all the adjustments, only a bit over 600 remains, already cutting nearly two-thirds of the problem. The levers are the hybrid evasion and armour bases with low strength requirements (less strength, so less life),
Iron Reflexes, which converts evasion into armour,
Eldritch Battery, and a maximum life reduction that neutralise the energy shield of
Temporalis, and the Warding Rune of Hollowing in the runic fork.
That leaves 600 fire damage to absorb.
Mageblood keeps a Basalt Flask and a Granite Flask up permanently, pushing armour past 30,000, of which 70% applies to fire damage. The hit then lands around 68 before resistances, then 17 after. That figure isn’t trivial: the author explains that at 23 damage per fill, his character used to kill itself the moment spell output increased. Every point counts.
How Many Comets per Second? The Video’s Math
The reference clip is a T16 city map with pack size and monster rarity, at the center of three Breaches. In two seconds, the ward drops from over 2,700 to 250, and the 353 Guard points from the helmet’s Warding Rune of Protection are entirely consumed. Roughly 4,000 self-inflicted damage, divided by 17 per hit, gives 235 fills, meaning 235 activations of each meta gem.
Each activation fires two
Comet, so 470, tripled by
Spell Cascade to reach 1,410, then boosted by 15% extra echoes to land around 1,600 comets. Over two seconds, that comes out to roughly 810
Comet per second. The target of 1,000 isn’t reached, but the author considers the result better than last league’s Crash on Crit, with one caveat: the Temple offered an ideal playground back then that today’s city maps only imperfectly replace.
Skill Tree
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