Unlocked the World Tier 3: Nightmare

1. Completing the Cathedral of Light dungeon in World Tier 2: Veteran.
2. Unlocked the World Tier 3: Nightmare:
Champion monsters now have a chance to appear.
Sacred items now have a low chance of dropping.
Nightmare Sigils, which unseal Nightmare Dungeons, are unlocked.
Players gain 100% XP bonus. Non-Physical resistances are reduced by 20%.

3. Your character level should 50+, and completing the main Campaign.
4. All the items and gold will be kept in your inventory.
5. ETA: 1-2 Hours.