A Door Was Opened is one of the main story quests in Diablo 4: Lord of Hatred. This quest starts in Young Rathma’s Refuge and becomes available after you complete The Path of Riddles. During this quest, you will follow Lilith’s blood petals, fight waves of demons summoned by Mephisto, and use the Sightless Eye to unlock the way forward. By the end, you will get rewards and move on to the next main quest, The Soil, The Seed, The Fruit. In this guide, we will show you how to complete the A Door Was Opened quest in Diablo 4: Lord of Hatred
A Door Was Opened Quest

A Door Was Opened is an important story mission in the game Diablo 4. This quest takes place in Young Rathma’s Refuge and begins automatically after you complete The Path of Riddles. Once the Hateborn Brute is killed, the portal to the Fragrant Clearing will be unlocked, which you should enter. Then move southwest towards the quest icon, and you will find Lorath and Tharra.
Start the conversation with them to progress with the story. While talking with Lorath, select the dialogue choice where you inform him that something isn’t right with you. As your character struggles in pain, Mephisto will begin speaking to you in your mind.
Following Lilith’s blood petals

After the conversation comes to an end, go north-west towards the quest location. Follow the path until you find Lilith’s blood petals, which will guide you in completing the quest. When you find the final blood petal in the zone, Mephisto will start another conversation with you. After a while, he will summon demons for you to kill. Kill them all, and you will find more blood petals to follow.
Go along the path and defeat any demons summoned by Mephisto. You will have to perform the same task repeatedly as you progress through the area. Finally, the blood petals will guide you to the Eye Pedestal. Interact with the Eye Pedestal and place the Sightless Eye on it to complete the quest.
