NSSB
NSSB (Not So Simple Buildings) adds structures and areas relating to the mobs from Not So Simple Mobs such as ant hills and the portal(s) to Morlendor.
Morlendor
Morlendor is an underground region and is accessible by portals that appear at the surface. Portals spawned by the map generator will be found near Dirt With Grass nodes. Additionally, there is a portal hidden in the labyrinth beneath Junetown.