Summons an illager raid when used inside a village. An Emerald may be used to increase the difficulty of the raid to the maximum amount, making Totems of the Undying accessible on easier difficulties. Augmenting has no effect on Hard difficulty.

Shapeless Recipe

Vexing Archwood Log
Block of Emerald
picture of the ingredient minecraft:ink_sac Ink Sac
picture of the ingredient ars_nouveau:ritual_challenge Challenge

Reminder: This is just the default recipe, modpacks can and will adjust recipes.

Ars Nouveau Wiki