Board Thread:Questions and Answers/@comment-216.201.155.58-20200624144411/@comment-184.55.181.247-20200816094155

I would say that it was accepting both gifts from Demon King and Supreme Godness, which is her being gluttony for knowledge, and that leading to the destruction of Belialuin as result of her gluttony. I think the important part of her sin was the destruction of her homeland.