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Main Article: Brewmaster
- Applies a cyclone effect on the target upon cast, so it turns it invulnerable and fully disables it.
- However, unlike other cyclones, this one does not dispel the target.
- While in the air, other units may pass below the cycloned unit.
- Can be cast on Roshan, but has no effect, since Roshan is immune to forced movement. He only gets interrupted.
- Does not interrupt Storm's channeling spells upon cast.
- The bonus damage is directly added to the attack damage, so it can be reduced with e.g. Enfeeble or Static Link.
- During the fade time, Storm can cast spells and perform attacks without breaking the invisibility.
- Those attacks do apply the 100/160/220 damage to the target.
- The bonus damage is not applied when attacking buildings out of the invisibility, but is applied against wards.
- The invisibility is lost upon reaching the cast point of spells, or upon launching an attack.
- This means when the attack misses, the invisibility is still lost.
- Allows Storm to pass through other units, including wards, but not through buildings.