The Ruins of Gianthold

The Reaver's Bane is a title sequence from Module 4 and its core story line which ends up with The Reaver's Fate raid.

Required Quests
You need to finish at least these 3 quests. This also grants you to easier access to Ruins of Gianthold.
 * The Prison of the Planes (End chest drops 1-3 Ancient Dragon Relics)
 * Madstone Crater (End chest drops 1-3 Ancient Giant Relics)
 * The Crucible (End chest drops 1-3 Ancient Elven Relics)

Relic Hunting
These quests also drop ancient relics. You need to turn in 20 of each (total 60) ancient relics to Cragg in Gianthold, to gain access to pre-raid.


 * A Cry for Help (End chest drops a Ancient Dragon Relic)
 * Foundation of Discord (End chest drops a Ancient Dragon Relic)
 * The Maze of Madness (End chest drops a Ancient Giant Relic)
 * Trial by Fire (End chest drops a Ancient Giant Relic)
 * A Cabal for One (End chest drops a Ancient Elven Relic)
 * Feast or Famine (End chest drops a Ancient Elven Relic)

You can also utilize a NPC in Gianthold, who trades 1 relic for 3 relics of different kind.

Pre-raid
You need to complete this quest and beat all 3 optional dragon fight to be eligible for raid.
 * Gianthold Tor (often referred as "scales run")

The Reaver Raid

 * The Reaver's Fate