DotA2 Skill: Duel

Legion Commander and the target enemy hero are forced to attack each other for a short duration. Neither hero can use items or abilities. If either hero dies during the duration, the hero winning the Duel gains permanent bonus damage. Winning a Duel automatically casts Press the Attack on Legion Commander.

Duration: 4 / 4.75 / 5.5 * ( 6 / 7 / 8 )
Duel winner bonus damage: 10 / 18 / 26
Range: 150

You and your target are immune to all damage unless the source is between the Duel participants while the Duel lasts. Increases duration. Legion Command is spell immune during the duration of duel.