Are there actually timers for when fates like Behemoth and Odin will pop up or

[Shujinkou]

all i know he appear once every 3 days

once he appear and killed give him 72 hours

and once 72 hours passed since his last appearance he will appear within 24 hours after the 3 days cooldown passed

thats for odin not sure about behemoth

I saw Odin pop twice within 2 days.