From HoNwiki

Doombringer
Cost
5,600
Stats
+250 Damage Passive
Modifier
None
Location
Combative
Dota Counterpart
Divine Rapier

Recipe

• Slayer - 2400 Gold
• Sword of the High - 3400 Gold

Total price = 5600 Gold

Passive

Drops upon death.

The More you Know

Once brought this item can not be dropped manually. This item can not be held by a non-hero unit at any time. This item can not be destroyed while on the floor like other items. You are not able to put the Doombringer in your stash.