How do I get past this door on the Storm Coast?
Solution 1:
The door is quest-locked until you're on the "Red Water" quest. Once you begin that quest, the door should be open and you will be able to destroy the four Red Lyrium veins inside.
The door is quest-locked until you're on the "Red Water" quest. Once you begin that quest, the door should be open and you will be able to destroy the four Red Lyrium veins inside.