Tales of the Abyss (catalyst weapons)

Alright, I’m currently at the end of the game, in Eldrant. I have all the catalysts except two. I know that I recieve one when I have 5 and go to Nebilim’s Crag. However the other is in ‘Yulia’s Grave’ area. To get there I’m supposed to hit some switch somewhere…. Well stupid me I knocked over a tower that leads to this switch. Its in the second room of Eldrant, after killing Sync.

So my question is such, did I screw up the game here and must restart to get the weapon. Or is it possible to reset the towers, or even an alternate route to the grave.

If you can answer, then thankyou.

Anybody at all?

aye yo man u need to keel those things in the room with the purple orb using dark and light magic get back me for more info