Heart of Tarrasque

The Heart of Tarrasque is an Item purchasable at the Main Shop, under Armor.

Health Regeneration
Regenerates 2% of the bearer's total HP per second. Disabled if the bearer took damage from a player-controlled unit or Roshan in the last 6 seconds (4 for melee.) Multiple heart's regen does stack with one another.

Trivia
The name "Tarrasque" may be a reference to, a dragon that was tamed by Saint Martha in a legend. However, it probably references the, a monster in Dungeons & Dragons, or Tarrasque, a unique ultralisk from starcraft.