Originally posted by vilem.krejci:

Please look here (https://valheim.fandom.com/wiki/Greydwarf) - there are conditions of spawning dwarves. Maybe you was in the event (red circle on the mini map) ? After it creatures remain and you must deal with them ...

so do spawn effects stack? like being near ore, being in a forrest, being in there after beating Eikthyr mean that the spawns are turbo charged?