Here's a complex Niagara system that is a much more stable and improved version of my previous 'Smart Crabs' project. It's available as a Tier 2 reward on my Patreon: https://www.patreon.com/GhislainGir
It features player awareness, slope-based obstacle awareness and neighbor particle awareness.
A deep dive into how I build complex state machines in Niagara.
Quick demo.