Web of Chaos epic items

Seal/Shard/Scroll drop locations
From Update 18 release notes:
 * Seals for the items in these quests are now found in the Epic Chests at the end of the quests.
 * Shards for all items in this quest chain are now found in the Epic Chest at the end of the capstone quest The Spinner of Shadows.
 * The base items will continue to drop on all difficulty levels.
 * Drop rates for Seals and Shards have been increased for Epic difficulty. Shards and Seals now have a 5% chance to drop on Epic Casual, 10% on Epic Normal, 15% on Epic Hard and 25% percent on Epic Elite.
 * Seals drop from:
 * The first four chests in The Lords of Dust - not the end epic chest.
 * Several chests in Servants of the Overlord - Named Fire Reaver chest, Named Hellhound chest, End epic chest
 * End epic chest of The Spinner of Shadows
 * Shards drop from:
 * End epic chest in The Lords of Dust.
 * First locked chest behind the optional lava-door in Servants of the Overlord.
 * The ritual chest (behind the drow barrier) and the end epic chest in Servants of the Overlord.
 * End optional chest and end epic chest of The Spinner of Shadows
 * Scrolls drop from monster kills in any of the three quests in the Web of Chaos release.