The first StarCraft II: Heart of the Swarm beta patch version has been deployed.


  • Warhound Weapon attack delay has increased from 1.3 to 1.7.
  • Swarm host locust attack damage has decreased from 16 to 14.
  • Viper Consume can no longer be used on creep tumors.
  • Oracle Preordain duration has decreased from 2 min to 1 min.
  • Viper Blinding Cloud now hits everything, but the radius of effect has reduced from 2.5 to 1.5.
  • Widow mines will no longer damage each other with their splash damage.
  • The bug affecting the Overlord speed upgrade has been fixed. Upgraded Overlords will now travel at the expected speed of 1.88.



  • Revelation has changed from E to R.
  • Entomb has changed from R to E.

Mothership Core

  • Energize has changed from N to E.
  • Purify has changed from E to F.

Swarm Host

  • Spawn locust has changed from W to C.

Fleet Beacon

  • Research Gravity Sling has changed from T to G.
  • Research Bosonic Core has changed from G to A.

Hydralisk Den

  • Evolve Muscular Augments has changed from C to A.