Weird, in the room with the golem and the vase there are meant to be those little statues around the wall that come to life when you get close. I don't know if a phantom would do it but if you're stuck otherwise it would be worth a go
I did it when I got havels armor. I think if you're wearing armor that upgrades with plain titanate you should upgrade it because I ended up with a ridiculous amount of titanate towards the end of the game
So IGN are doing a Making of Dark Souls 2 with From with part one on their site now and it is incredibly interesting. There are some spoilers about some mechanics and areas if people want to avoid those. They also did an unboxing of the collectors edition if you're into that.