Nerf Radar › Dota 2 › History › Techies
Techies: change history
26 changes across 7 patches (Dec 15, 2025 to Jun 4, 2026), newest first. Nerf Radar tracks the 10 most recent official updates for Dota 2, back to Dec 15, 2025.
Buff 4Nerf 10Adjust 11New 1
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NerfReactive Tazer · Disarm durationDisarm duration on Techies' Reactive Tazer decreases from 2.4/2.7/3/3.3s to 2.25/2.5/2.75/3s.2.4/2.7/3/3.3s→2.25/2.5/2.75/3s
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Disarm duration decreased from 2.4/2.7/3/3.3s to 2.25/2.5/2.75/3s
NerfProximity Mines · Debuff DurationDebuff Duration on Techies' Proximity Mines decreases from 5s to 4s.5s→4sSource line
Debuff Duration decreased from 5s to 4s
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NerfBase Mana RegenTechies' Base Mana Regen decreases by 0.5.
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Base Mana Regen decreased by 0.5
NerfIntelligence gainTechies' Intelligence gain decreases from 3.0 to 2.7.3.0→2.7Source line
Intelligence gain decreased from 3.0 to 2.7
- Damage gain per level decreased from 3.3 to 3.2
AdjustM.A.D. · Mana Pool as RegenTechies' M.A.D.: Mana Pool as Regen changed from 0.08% + 0.02% per level to 0.1% + 0.01% per level.0.08% + 0.02% per level→0.1% + 0.01% per levelSource line
Mana Pool as Regen rescaled from 0.08% + 0.02% per level to 0.1% + 0.01% per level
NerfReactive Tazer · Explosion RadiusExplosion Radius on Techies' Reactive Tazer decreases from 450 to 400.450→400Source line
Explosion Radius decreased from 450 to 400
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NerfTalents · Level 10 Talent Magic ResistanceTechies' level 10 talent Magic Resistance decreases from +20% to +15%.+20%→+15%
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Level 10 Talent Magic Resistance decreased from +20% to +15%
NerfTalents · Level 15 Talent Blast Off! DamageTechies' level 15 talent Blast Off! Damage decreases from +200 to +175.+200→+175Source line
Level 15 Talent Blast Off! Damage decreased from +200 to +175
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NerfProximity Mines · DamageDamage on Techies' Proximity Mines decreases from 450/575/750 to 400/550/700.450/575/750→400/550/700
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Damage decreased from 450/575/750 to 400/550/700
NerfProximity Mines · Portion of damage dealt on the edge of AoEPortion of damage dealt on the edge of AoE on Techies' Proximity Mines decreases from 60% to 50%.60%→50%Source line
Portion of damage dealt on the edge of AoE decreased from 60% to 50%
- Minimum Damage decreased from 240/345/450 to 200/225/350
NerfTalents · Level 10 Talent Proximity Mines Cooldown ReductionTechies' level 10 talent Proximity Mines Cooldown Reduction decreases from 3s to 2s.3s→2sSource line
Level 10 Talent Proximity Mines Cooldown Reduction decreased from 3s to 2s
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NewM.A.D.New innate ability. Passive.
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New innate ability. Passive
- Increases mana regen by a portion of Techies' max mana equal to 0.08% + 0.02% per level
- When Techies die, they leave behind a barrel that explodes after 1.5s, dealing magical damage equal to 50 + 30% of their max mana to enemies in a 400 area of effect. The barrel provides 400 obstructed vision until it explodes
AdjustM.A.D.Upgraded with Aghanim's Shard.Source line
Upgraded with Aghanim's Shard
- Increases mana to damage by 10%. Adds an active component. Techies plant the M.A.D. barrel, and detonate it later by using a sub-ability. The M.A.D. barrel is invisible and can be destroyed before the detonation process begins. Detonating the barrel makes it visible and immortal, and then it explodes after the same 1.5s delay. Only one M.A.D. can exist via the active cast at one time. Barrel Health: 200. Cast Range: 450. No Mana Cost. Cooldown: 30s. Cast Point: 1s
AdjustReactive TazerCan now always be cast on allies.Source line
Can now always be cast on allies
BuffReactive Tazer · Cast RangeCast Range on Techies' Reactive Tazer increases from 500 to 600.500→600Source line
Cast Range increased from 500 to 600
AdjustReactive TazerNo longer upgraded with Aghanim's Shard.Source line
No longer upgraded with Aghanim's Shard
AdjustBlast Off!Now deals its self damage before damaging enemies.Source line
Now deals its self damage before damaging enemies
AdjustBlast Off!Techies are now rooted and disarmed instead of self-stunned during Blast Off's leap animation.Source line
Techies are now rooted and disarmed instead of self-stunned during Blast Off's leap animation
AdjustProximity Mines · Damage sourceDamage source on Techies' Proximity Mines changes from Proximity Mines to the caster.Proximity Mines→The casterSource line
Damage source changed from Proximity Mines to the caster
AdjustMinefield SignNow only available with Aghanim's Scepter.Source line
Now only available with Aghanim's Scepter
AdjustTalentsLevel 15 Talent +3 Mana Regen replaced with +25% Reactive Tazer Buff and Disarm Duration.Source line
Level 15 Talent +3 Mana Regen replaced with +25% Reactive Tazer Buff and Disarm Duration
BuffTalents · Level 25 Talent DamageTechies' level 25 talent Damage increases from +252 to +253.+252→+253Source line
Level 25 Talent Damage increased from +252 to +253
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BuffProximity Mines · Cast rangeCast range on Techies' Proximity Mines increases from 400 to 450.400→450
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Cast range increased from 400 to 450
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BuffBase AgilityTechies' Base Agility increases from 14 to 16.14→16
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Base Agility increased from 14 to 16
AdjustDamage at level 1 increased by 1 (from 46–48 to 47–49).Source line
Damage at level 1 increased by 1 (from 46–48 to 47–49)
AdjustTalentsLevel 20 Talent +125 Sticky Bomb Latch/Explosion Radius replaced with +160 Sticky Bomb Damage.Source line
Level 20 Talent +125 Sticky Bomb Latch/Explosion Radius replaced with +160 Sticky Bomb Damage
Each step links to the full patch breakdown and to Valve's official notes. Changes listed under a general heading such as "Bug fixes" are not included here; search to find every mention.