This is literally amazing I love the pixel art and tense but not disgusting atmosphere with a very well made movement system and combat system that demotivates combat 9/10 wish I could play more
Viewing post in Echoes of the Hunt jam comments
I think the most important is state machine architecture of your AI code. That is something that allow you easly scale up your AI behaviour. Here monster has several states and i switch between them according to situation.
You can learn more about more complex AI by looking for something that is call "Steering Behaviors" for AI, you can find a lot materials about it in the web. That techniques allow you build really complex AI.