Drakengard

Most "papers" or essays on the series focus on these three core pillars:

If you are looking for a "proper" deep dive, these community-venerated resources are considered the gold standard for understanding the series: Drakengard

The most comprehensive "proper" analysis often comes from director Yoko Taro himself through his where he deconstructs his philosophy of creating narratives based on "backward thinking". Key Analytical Works Most "papers" or essays on the series focus