So I just wanted to learn how to know if a mod, texture pack, or shader is compatible with each other. I also have a list of mods, texture packs and shaders I wanted to try together assuming I can get them all for the same MC version and for Forge Optifine and I wanted to know your opinions or if you know anything about compatibility within all of these as well as to share the ones you know are compatible:
Horror Mods

Mobs
-> From the Shadows
->Scary Mobs and Bosses
->Cave Dweller
->Slumbering Omen
->creeping Woods
->dangers in the Darkness
->from the Shadows
-> Box of Horrors
->goat Man
->the man from the fog

Blocks, Mobs, and Structures
-> Graveyard Mod
->Whisper Woods
->Blood and Madness
->Agers Amazing Mineshafts and Miner Companions
->Born in Chaos
->graveyeard biomes

Blocks , structures, biomes. and mobs
->Horror Elements Mod
->Into the Void
->The betweenlands

Audiovisual Effects
->Eyes in the Darkness
->Fresh animation and Tissues Zombie Pack
->Ambient Sounds
->True Darkness

Normal Mods

Biomes, Block, Decorations, etc
Better Villages
Fantasy Furniture
Dusty Decorations
Regions Unexplored
Dungeons Arise
Biomes o Plenty
Stratospherical Expansion
Yung's Better Mineshafts
Yung's Better Dungeons
Blue Forest

Handful
any Backpack Mods

Full Packs
Ice and fire
Mowzies Mobs
Incendium (nether)
Cinderscapes(nether)
Betterend (end)
nullscape (end)

Mobs
AlexMobs
Creatures and Beasts Mod

enhanced experience
Level Z
Fresh Animations

Tecture Packs
vanilla Experience +
Alacrity
Grays Mob Overhaul (only affects Mobs)
Stay True
Reimagined
muzino 16
Dramatic Skies (only changes skies)
Cherry Grove +
Suppy Lilies

Shaders
Builders QOL
Super Duper Vanilla
Solas Shader