for a much better showcase of the mod with images and videos
-- Blood scents: You spill blood if you get hurt, and if low health you bleed out once in a while
-- Sound sources: Mining for blocks will alert other zombies of your position
-- Light sources: Zombies can see exposed light sources from super far away, and will come to investigate if they have line of sight
- Night surface spawning: More zombies spawn in groups at night, causes random invasions
- Long distant waypoints: Mobs will gather up together and wander the terrain in large groups randomly
- Randomly faster zombies: Zombies are given a small buff in speed to add more unpredictableness
You may use the mod in any modpack you like.