Hellions and Hellbats transform 75% faster. When Hellions are killed, nearby allied units in radius 3.5 gain 25% movement and 15% attack speed for 15 seconds.
Stronger Death Chance Mastery: When Hellions are killed, nearby allied units gain 50% movement and 30% attack speed with a chance to 1.5% per mastery point.
Mastery: +1.5% chance per Stronger Death Chance: mastery point. Up to a maximum 45% chance
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