Archivum Data Disc (heroic)

The Archivum Data Disc starts the Algalon the Observer attunement quest chain in Heroic mode Ulduar.
==Source==
This item is a reward for completing the Assembly of Iron encounter. Only one player can acquire it per lockout period.
The disc is a guaranteed drop so long as Runemaster Molgeim or Steelbreaker is killed last (Medium difficulty and Hard mode, respectively).
==As a quest objective==
This item starts Heroic: Archivum Data Disc.
==Patch changes==
*
==External links==
Category:Ulduar items
pl:Archivum Data Disc (heroic)