From HoNwiki

Helm of the Black Legion
Cost
2,225
Stats
+300 Hit Points 6 HP regeneration Passive
Modifier
None
Location
Protective
Dota Counterpart
Vanguard

Recipe

• Lifetube - 875 Gold
• Beastheart - 1100 Gold
• Iron Buckler - 250 Gold

Total price = 2225 Gold

Passive

Blocks 30 damage on next attack so long as you have charges. Regains charges of a rate of 1 every 0.5 seconds. 5 charges are removed if hit by a hero, tower, or Kongor, else only one charge is removed.