help on ashen chapter 6

[hookah]

well i just keep making circles after killing the big monster.there seems to be a third
door to open upstairs but i just cant find any switch for it.nothing to kill nowhere to go.
please help

[v7e6j5]

I haven't gotten that far in2 the game. So i can not say 4 sure where the switch is 4 that third door.

[Vazkor]

It's where you find the grenade launcher, isn't it?

I can't remember sorry

But the way out is somewhere near ...
look better, don't give up.