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Plant a warning sign, causing Proximity Mines within its radius to be invulnerable and deal 15% more damage. Only one sign can exist at a time. Lasts 240 seconds. When an enemy Hero walks within 200 units of a minefield sign, the 1000 units area around the sign will become a minefield for 10 seconds, dealing damage to enemy Heroes any time they move within its area. Minefield Sign is destroyed after this effect ends.
Data from OpenDota — Open API — data belongs to Valve. Last updated .