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Pyroclast MineMine, Spell, Projectile, Fire, AoE, Aura, Nova
Level: (1-20)
Cost: (4-6) Mana
Reservation: (4-6) Mana
Cast Time: 0.18 sec
Critical Strike Chance: 5.50%
Effectiveness of Added Damage: 80%
Radius: 30
Requires Level 28Throws a mine that deals damage in an area when detonated, then launches fiery projectiles that rain down around it, each dealing damage in a smaller area.Per 1% Quality:1Superior2Anomalous3Divergent4Phantasmal1% increased Area of Effect5% increased Burning Damage
1% chance to Ignite enemies
1% increased effect of Aura2% increased Damage if firing at least 7 Projectiles
Deals (26-240) to (39-361) Fire Damage
Mine lasts 5 seconds
Base Mine Detonation Time is 0.35 seconds
Each Mine Adds (1-12) to (2-18) Fire Damage to Hits against Enemies near it, up
to a maximum of (64-601) to (96-901)
Fires 2 additional Projectiles
Fires an additional Projectile for every 4 prior Mines in Detonation Sequence
Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
Pyroclast Mine skill icon.pngPyroclast Mine inventory icon.png
Area level: 28
Vendor Prices
Normal1x Orb of Chance
Vendor Offer
1x Scroll Fragment
Item class: Active Skill Gems
Metadata ID: Metadata/Items/Gems/SkillGemFireNovaMine

Pyroclast Mine throws a mine that when detonated fires multiple mortar projectiles that deal fire damage where they land, launching more projectiles with more consecutive mines detonated. The mines have an aura which grants added fire damage with hits against enemies in the aura.

Gem level progression

LevelRequired LevelRequired DexterityRequired IntelligenceMana
Fire Damage
per Mine
Fire Damage
max stack
Exp.Total Exp.
12829424426 to 39N/AN/A00
23132464431 to 46N/AN/A199345199345
33435504437 to 55N/AN/A285815485160
43737544444 to 66N/AN/A401344886504
54040584452 to 78N/AN/A5543791440883
64242604458 to 87N/AN/A4774371918320
74444635564 to 97N/AN/A5837862502106
84646665572 to 108N/AN/A7103593212465
94848685580 to 120N/AN/A13555114567976
105049715589 to 133N/AN/A11388775706853
115251745598 to 147N/AN/A13682337075086
1254537655109 to 163N/AN/A16383388713424
1356557955121 to 181N/AN/A195664810670072
1458578255133 to 200N/AN/A365518414325256
1560598455147 to 221N/AN/A301732717342583
1662608755163 to 244N/AN/A775999525102578
1764629066180 to 270N/AN/A1513819340240771
1866649266198 to 297N/AN/A2608382566324596
1968669566218 to 327N/AN/A62620247128944843
2070689866240 to 361N/AN/A211708088340652931
21727010066265 to 397N/AN/AN/AN/A
2274N/AN/A66291 to 436N/AN/AN/AN/A
2376N/AN/A66320 to 480N/AN/AN/AN/A
2478N/AN/A66351 to 527N/AN/AN/AN/A
2580N/AN/A66386 to 579N/AN/AN/AN/A
2682N/AN/A66423 to 635N/AN/AN/AN/A
2784N/AN/A66464 to 696N/AN/AN/AN/A
2886N/AN/A77509 to 764N/AN/AN/AN/A
2988N/AN/A77558 to 837N/AN/AN/AN/A
3090N/AN/A77611 to 917N/AN/AN/AN/A
3191N/AN/A77639 to 959N/AN/AN/AN/A
3292N/AN/A77669 to 1004N/AN/AN/AN/A
3393N/AN/A77700 to 1050N/AN/AN/AN/A
3494N/AN/A77732 to 1099N/AN/AN/AN/A
3595N/AN/A77766 to 1149N/AN/AN/AN/A
3696N/AN/A77801 to 1202N/AN/AN/AN/A
3797N/AN/A77838 to 1257N/AN/AN/AN/A
3898N/AN/A77877 to 1315N/AN/AN/AN/A
3999N/AN/A77917 to 1375N/AN/AN/AN/A
40100N/AN/A77959 to 1438N/AN/AN/AN/A

Item acquisition

Upgrade paths

This item can be acquired through the following upgrade paths or vendor recipes:

8Dying AnguishDying Anguish8Level 19 Gem
Alternative Quality: +19%
Moribund, he gazed upon the journey taken as blood trickled down his chin. His eye closed on the city ahead that he would never call home.
random level 19 gem with 19% alternative qualityAutomatic
1Gemcutter's IncubatorGemcutter's IncubatorAdds an incubated Quality Gem item to an equippable item
Item drops after killing # monsters
Quality GemRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.
random superior gemAutomatic
7The Wilted RoseThe Wilted Rose7Level 21 Aura Gem
Though the path to divinity is fraught with peril, hope may bloom from within.
random corrupted level 21 Aura gemAutomatic
6The FoxThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox."
- Ezomyte Proverb
random level 20 gemAutomatic
13The CataclysmThe Cataclysm13Level 21 Spell Gem
The mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.
random corrupted level 21 Spell gemAutomatic
3Gemcutter's PromiseGemcutter's Promise3Superior Gem
Quality: +20%
"I swore to use my position to help the people. What good is power when it just accumulates on the already-powerful?" - Erasmus, Imperial Gemcutter
random superior gem with 20% qualityAutomatic
1The VoidThe Void1Reach into the Void and claim your prize.random divination card set exchangeAutomatic

Quest reward

This item is given as a quest reward for the following quests:

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
Sever the Right Hand
Act 3

Vendor reward

This item can be bought at the listed NPC vendors, after completing the following quests:

Class →WitchShadowRangerDuelistMarauderTemplarScion
Quest ↓
A Fixture of Fate
Act 3
Sever the Right Hand
Act 3
Fallen from Grace
Act 6
Lilly Roth

Related helmet enchantments

The following helmet enchantments affect Pyroclast Mine.

NameFor generated item/monster modifiers the minimum item/monster level respectively. Some generation types may not require this condition to be met, however item level restrictions may be raised to 80% of this value.StatsSpawn Weighting
Enchantment Pyroclast Mine Damage 166Pyroclast Mine deals 25% increased Damagehelmet 100
default 0
Enchantment Pyroclast Mine Damage 275Pyroclast Mine deals 40% increased Damagehelmet 100
default 0
Enchantment Pyroclast Mine Additional Projectiles 175Pyroclast Mine fires an additional Projectilehelmet 100
default 0
Enchantment Pyroclast Mine Throwing Speed 166Pyroclast Mine has 10% increased Throwing Speedhelmet 100
default 0
Enchantment Pyroclast Mine Throwing Speed 275Pyroclast Mine has 15% increased Throwing Speedhelmet 100
default 0

Legacy enchantments

The following enchantments can only be found on legacy items in permanent leagues:

Enchantment Pyroclast Mine Damage 2Eternal LabyrinthPyroclast Mine deals 40% increased Damage
Enchantment Pyroclast Mine Damage 1Merciless LabyrinthPyroclast Mine deals 25% increased Damage
Enchantment Pyroclast Mine Throwing Speed 1Merciless LabyrinthPyroclast Mine has 10% increased Throwing Speed
Enchantment Pyroclast Mine Throwing Speed 2Eternal LabyrinthPyroclast Mine has 15% increased Throwing Speed
Enchantment Pyroclast Mine Additional Projectiles 1Merciless LabyrinthPyroclast Mine fires an additional Projectile
Enchantment Pyroclast Mine Additional Projectiles 2Eternal LabyrinthPyroclast Mine fires 2 additional Projectiles
EnchantmentMortarBarrageMineNumProjectiles1Merciless LabyrinthPyroclast Mine fires an additional Projectile

Alternate skill effects

Pyroclast Mine has the following alternate skill effects:

Void Emperor Pyroclast Mine EffectVoid Emperor Pyroclast Mine EffectSkill Gem EffectReplaces your Pyroclast Mine with the Void Emperor version.Replaces your Pyroclast Mine with the Void Emperor version.

Version history

Version Changes
  • Now fires an additional projectile for every 4 prior mines in detonation sequence (previously fired an additional projectile per 2 mine detonations).
  • Now has a base cast time of 0.18 seconds (from 0.25).
  • You can no longer obtain the +2 projectiles to Pyroclast Mine helmet enchantment. The +1 variant now exclusively comes from the Eternal Labyrinth.
  • Fire Nova Mine (now named Pyroclast Mine)
  • Has been completely reworked, and is now a blue gem with minimum level 28.
  • Deals 26 to 39 Fire Damage at gem level 1, up to 240 to 361 at gem level 20.
  • Base mine detonation time is 0.35 seconds.
  • Fire 2 additional projectiles at all gem levels.
  • Fires an additional projectile for every 2 prior Mines in Detonation Sequence.
  • Each mine applies 1 to 2 fire damage to hits against enemies near it, up to a maximum of 64 to 96 at gem level 1.
  • By gem level 20, each mine applies 12 to 18 fire damage, up to a maximum of 601 to 901.
  • Mana Cost at gem level 1 is now 7 (was 12).
  • Mana Cost at gem level 20 is now 20 (was 36).
  • Now has an added damage effectiveness of 40% (from 30%).
  • Base damage increased by 25% at all gem levels.
  • Damage effectiveness increased from 20% to 30%.
  • Introduced to the game.