Black King Bar

Black King Bar is a item in Dota Underlords.

Change logs
January 06, 2020 Patch
 * Can now trigger while the unit which has it equipped is casting its own ability.

December 19, 2019 Patch
 * Magic immunity duration increased from 5s to 10s.

December 18, 2019 Patch
 * Now also grants +45 Attack Damage.

June 27, 2019 Patch
 * Purges the user on activation.

June 17, 2019 Patch
 * Now grants Magic Immune for 7 seconds once the first enemy has 100% mana (once per battle).