From publisher blurb:
Epic World Building for 5th Edition (5e) Game Masters!
Want to run realistic rites and rituals that bring your game world to life? Now you can!
Inside this 5e handbook, you'll find exciting ideas and inspiration for:
Rites and Festivals (for most fantasy religions)
Rules for Arcane and Divine Magic Rituals
Rules for Fortune Tellers and Psychics (including detailed predictions)
40 Omens and 100 Prophecies (plus random tables to generate your own)
New Magic Items and Nonmagical Equipment
Random Tables for Naming Temples, Festivals, Rites, Rituals, Arcane/Divine organizations, etc.
Plus Sympathetic Magic rules to create more powerful spells with:
Voodoo Dolls and Effigies
Blood, Hair, and Nail Clippings, etc.
True Names
Weather and Terrain-Based Magic that make environments more challenging and fun