Introduction
This add-on is meant to add more structures for the illager faction as well as providing some more interesting challenges for the player. Here is a summary of the structures added.
Pillager/Vindicator Structures:
lIlager Encampment:

Illager Fortifications:

Airship:

Depot:

Ravager Structures:
Beast pens:

Illager Steading:

Witch Structures:
Coven:

Witch's Brew:

Evoker structures:
Stargazing Tower:

Ruined Keep:

Where Structures Generate:
Each structure generates in specific biomes. Here is where each of the following structures generate:
Illager Encampment: Plains
Illager Fortifications: Taiga
Coven: Swamp
Witch's Brew: Swamp
Stargazing Tower: Icy Plains
Ruined Keep: Savannah
Illlager Steading: Forest
Depot: Mesa
Beast Pens: Jungle
Airship:Anywhere above y 200
Experiments:
Absolutely none are needed (though feel free to turn them on if you feel like it).
Achievments:
This add-on does not disable achievements.
Credits:
This add-on would not have been possible except through the help of Alylica for the chest loot and Finnthedog for structure generation.
Future Plans:
Potential compatibility with the Biome O' Plenty Addon when it releases (No promises though).
Bugs:
Bugs? What Bugs? If you find any or have any feedback, please comment as feedack is appreciated.
I hope you enjoy this add-on and appreciate what has been put into it! If you have any feedback, leave it above and I will try to respond. Thanks!