Dota 2

Conjurer's Catalyst

Tier 4 neutral item.

Conjurer's Catalyst
Tier 4

When did you last play?

Full history

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Since you last played

New in 7.41

Conjurer's Catalyst was added in 7.41, after you last played. Here is what it does now.

3 buffs and 1 nerf in total: trending stronger.

Biggest changes

  • ▲
    Spellover damage threshold increased from 100 to 200
  • ▲
    Spellover damage from hero targets increased from 40 to 80
  • ▲
    Spellover damage from creep targets increased from 15 to 30
  • ▼
    Spellover non-hero explosion damage decreased from 30 to 20
  • ◆
    Spellover now has a 0.1s internal cooldown
  • ◆
    Still can proc multiple times from a single instance of high damage

Most recent change patch 7.41e, Jul 2026

  • ▼
    Spellover non-hero explosion damage decreased from 30 to 20
  • ◆
    From 39 to 26 with Dormant Curio
  • ◆
    Spellover damage threshold on illusions now only considers pre-amplification damage
What it does now
  • Spellover PassiveDealing 200 spell damage to an enemy causes them to overheat and deal damage to their allies in a 300 unit radius. Hero targets deal 80 damage to their allies, other targets deal 20 damage.

Neutral item pools rotate. This item may not be in the current pool.

Every Conjurer's Catalyst change, patch by patch

All 12 changes Valve listed for Conjurer's Catalyst since patch 7.41, newest first. Last changed in 7.41e (Jul 2026).

Patch 7.41e

  • ▼
    Spellover non-hero explosion damage decreased from 30 to 20
  • ◆
    From 39 to 26 with Dormant Curio
  • ◆
    Spellover damage threshold on illusions now only considers pre-amplification damage

Patch 7.41b

  • ◆
    Spellover now has a 0.1s internal cooldown
  • ◆
    Still can proc multiple times from a single instance of high damage
  • ▲
    Spellover damage threshold increased from 100 to 200
  • ▲
    Spellover damage from hero targets increased from 40 to 80
  • ◆
    From 52 to 104 with Dormant Curio
  • ▲
    Spellover damage from creep targets increased from 15 to 30
  • ◆
    From 19.5 to 39 with Dormant Curio

Patch 7.41 Added

  • ◆
    Passive: Spellover. Every 100 spell damage dealt to an enemy deals damage to their surrounding allies in a 300 unit radius. Hero targets deal 40 damage to their allies, other targets deal 15 damage
  • ◆
    Dormant Curio increases hero damage from 40 to 52 and non-hero damage from 15 to 19.5