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.
 * Scrolls drop from monster kills in any of the three quests in the Web of Chaos release.