this modpack has abundant building material for creating amazing houses, dungeons, castles, etc.
(mods: Supplementaries, Handcrafted, Famer's Delight, Fantasy's Furniture.)
this modpack also has horror mods to add a bit more interest to the average building experience.
(mods: The Knocker, Sanity: descent into madness.)
and a mod + shader for insane immersion.
(mods/shaders: Sound Physics Remastered, Insanity Shader.)
also there's a few mods and a resource pack to make vanilla mobs not so vanilla.
(mods and resource pack: Deeper and Darker, Creeper Overhaul, Enderman Overhaul, Skeleton Rising, THE UNDEAD REVAMPED, Zombie Awareness, Fresh Animations.)