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Hero Mastery

Spirit Breaker

A ganking bull: Charge of Darkness travels the map into a stun, Greater Bash stuns on hits, Bulldoze gives unstoppable haste, and Nether Strike is a blink-stun.

Pos 3 · OfflanerPos 4 · Soft Support
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Mastery parameters

Your GPM, last hits and damage per game against other Spirit Breaker 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 Spirit Breaker your mastery hero to start — progress shows on Home and Arcana.

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Phase by phase

Laning: pressure their carry, don't feed

You 50%Team 50%

  • Skills in lane — Pro cores max Greater Bash (E) first — 86% of 56 games since patch 7.41, then Charge of Darkness (Q). First talent at level 11.

  • Charge — global gank — Charge of Darkness travels to any lane for a surprise stun. Gank nonstop from level 3.

Skills 1–7

  1. E1
  2. Q2
  3. E3
  4. Q4
  5. E5
  6. R6
  7. E7

Starting items

  • Tango17%
  • Boots of Speed16%
  • Blood Grenade14%
  • Sentry Ward13%
  • Iron Branch10%
  • Observer Ward7%

Items this phase

  • Tango
  • Healing Salve
  • Iron Branch
  • Bracer
  • Magic Wand
  • Boots of Speed
The Offlaner's job this phase
  • Your goal isn't perfect farm — it's making sure THEIR carry doesn't farm. Contest every last hit.
  • Secure range creeps with a spell if needed; XP matters more than gold for you.
  • If the 1v2 is rough, hug your tower and ask the soft support to help zone.

Spirit Breaker

Counters & weaknesses

Tank (big HP & armor)

The items that shut Spirit Breaker down, 5 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 Spirit Breaker 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.