V Rising 1.1 boss guide for Morian the Stormwing Matriarch, covering location, key attacks, Normal and Brutal Mode strategy, rewards and progression.

Morian the Stormwing Matriarch makes the Harpy Nest dangerous with a mixture of aerial movement, projectile patterns and summoned harpies. The key is to separate attacks you can simply sidestep from patterns that demand you stop attacking and create space.
Sunlight is an extra complication because the nest offers limited shade. Approaching at night, with the nearby enemies cleared and your equipment repaired, removes avoidable problems before the actual boss fight begins.