Rares on the map should have more ways to be revealed.

As far as I understand it all rare enemies in a map are revealed after there is less than 200 enemies alive in an area. It would be nice if there was a few other ways that they could be revealed.

After finding and killing a Boss monster in a map it would be nice to be able to quickly hunt down the rest of the rares.

Having rare enemies revealed when over half of them are dead could also be nice.

Having the nearest rare enemy revealed after not killing one for a short amount of time could also be nice.

I understand that they are not all revealed at once so that players have to explore and overcome the rest of the map to find them, but streamlining the process in moderation could be nice.

Agreed. Maybe not all, but the next nearest Rare, so we don't have to sometimes exhaust all rooms