Just in case Bleh_ check your Ruins map for this one.
I find it when fighting the giant crabs and noticed the sound of a wall opening and closing. not so easy to get this one
Sorry it's not so easy. I tried to understand what was the prob and I found you can get stuck AFTER going to pull the lever to open the gate to the gem. I'll try to explain : http://img15.hostingpics.net/pics/673362Cemetery1.jpg He made it one way. Then no way to get back at the start. He's sitting ...
For the first prob, you really need to open this door ! http://img15.hostingpics.net/pics/352421Ruines.jpg to do that, One tip awaits you on the bottom level tip is : Follow the light You need to put the spider on the center plate using both teleporter on the two level. Then following the light , th...