>what is Erikantrice
Erikantrice is a mystery oriented theory that solves all Umineko's chapters with the same culprits and accomplices while respecting Knox and Dine Rule.

Morover, it also explain reality by simple stating that Ikuko = Yasu. All umineko is just her many tries to make Battler remembers after he lost his memry saving Ikuko from her attempted suicide.

You can read the manifesto here:
https://www.docdroid.net/vMzjMiR/erikantrice-ai-manifesto-pdf