To open them you ll need to first acquire a key then you ll have to track down the doors on your own.
Kingdom eedge 2 locked doors.
From here you can head up the stairs to volunteer testing which normally would require you to gain access via the level 2 locked door on the upper floor of a atrium guarded by a phantom.
This will lead you to a room with the third key to open the locked doors on upper level 4 showing 1 4 of 4 comments.
House at the edge of time locked door.
They can be used to open simple locks.
So to the right of nailmaster oro there s a room with a scarecrow does it do anything btw.
Secret room on kingdom s edge.
There are 2 locked doors on the western side of the dungeon which is not related to any quests shown above.
The door leads to a.
This cave is home to confessor jiji who in return for a rancid egg can summon the knight s shade which is.
Simple keys are items in hollow knight.
You will also trigger a book event trial by pain.
The entrance to royal waterways from city of tears the cave to the right of dirtmouth beyond the graveyard.
I attacked it for a while and two great hoppers showed up but that s it and on that room there s a breakable floor that eventually leads to a huge rock that you can break for like 500 geo.
There are four locations that can be opened using simple keys.
In this event the first plate will deal cold damage the second panel will deal electrical damage while the third panel will deal fire damage.
Behind the locked door there are 2 bonebeasts and a giant earth element.
There seems to be the gastyr key in the game file it s just a guess but didn t appear in the actual game making those two doors totally inaccessible.