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Pick another hero

Hero Mastery

Leshrac

A nuker + pusher: Lightning Storm nukes and slows, Diabolic Edict batters towers and heroes in an area, and Pulse Nova melts everything standing near you.

Pos 2 · MidlanerPos 4 · Soft Support
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Mastery parameters

Your GPM, last hits and damage per game against other Leshrac players — average vs Top 20%.

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Learning journey

  1. 1 Know the kit
  2. 2 Win the lane
  3. 3 Timing & rotations
  4. 4 Win the fights
  5. 5 Master

5 stages, each with one target from your own games and one short quiz. Make Leshrac your mastery hero to start — progress shows on Home and Arcana.

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Phase by phase

The 1v1: last hits + rune control

You 70%Team 30%

  • Skills in lane — Pro cores max Diabolic Edict (W) first — 85% of 213 games since patch 7.41, then Lightning Storm (E). First talent at level 11.

  • Level 6 — Pulse Nova — Pulse Nova melts the area around you. Dive a clumped enemy group (with BKB) and Diabolic Edict for compounding burst.

Skills 1–7

  1. E1
  2. W2
  3. E3
  4. W4
  5. W5
  6. R6
  7. W7

Starting items

  • Iron Branch51%
  • Tango15%
  • Faerie Fire13%
  • Observer Ward12%
  • Circlet of Nobility2%
  • Sentry Ward1%

Pros buy this phase

  • Arcane Boots83%
  • Kaya9%
  • Power Treads3%
  • Blink Dagger2%
  • Boots of Travel2%
The Midlaner's job this phase
  • Focus on last hits & denies — a 10-creep lead by minute 5 is a real level advantage.
  • Minutes 6, 8, 10, …: check water/power runes. A full Bottle means you can spam spells.
  • Ask a support to arrive 30 seconds before power runes when your lane is rough.

Leshrac

Counters & weaknesses

Magic burst hero

The items that shut Leshrac down, 3 heroes that trouble it, and your answer when you play it.

Members only
Why this way? How OpenAI Five learned

  1. One hero, one role first

    OpenAI's first bot played only Shadow Fiend, only mid, until it mastered it. Stay on Leshrac in one role before moving on.

  2. Small, measurable rewards

    OpenAI Five was rewarded for last hits and staying alive long before it understood winning. That's why each journey stage has one number to hit.

  3. From yourself to the team

    Its 'team spirit' rose over the game: early on, look after yourself; late, play for the team. Each phase's meter shows the split.

  4. Use proven builds

    OpenAI Five's builds were hand-written, not trial and error. Start from the pro build, then experiment.

Phase items: what pros buy on this hero (OpenDota). Parameters: percentiles of players on this hero (OpenDota). Item effects checked against Valve's own item data.