I'm stuck at Hollow Bastion. My problem is that I just completed the emblem..

I'm sorry but what stairs are you talking about?

Have you gone through the big heartless door and put the pieces into the seal?

Go through the heartless door again to the lift stop.

Follow the balcony around to the left.

Activate the blue crystal on the left.

Be careful not to fall off the edge.

Go up the stairs to the right.

Activate the orange crystal.

Fight the heartless.

Activate the blue crystal that appears.

Clear the blue trinity and the chest.

Go down the stairs to the left and enter the list stop door.

Activate the blue crystal.

Take the stairs to the right after getting of the lift.

Activate the blue crystal.

Activate the orange crystal hidden in a corner.

Turn around and enter the dark passage nearby.

Cross over to the other side.

Enter the high tower.

Cast gravity on the floating chests.

Activate the orange crystal.

Climb up the stairs to the dark passageway on the left to the lift stop.

From there cross the hall into the entrance to the castle gates.

Hope it helps :+)

Ok i'll give you a more detailed discription.

After you put the Emblem pieces in the seal you should have had a film of Riku,after the film you should be back in the entrance hall,go through the heartless door to the lift stop.Follow the balcony around to the left and go through the passage to the castle gates.Take the path up to the right and activate the blue crystal so the platform takes you up.fight the flying heartless but try and stay behind the barrier or you may fall off the edge and that really isn't fun.

Go up the stairs to the right.and activate the orange crystal. A large platform should take you to some wizards.Fight the wizards then examine the blue crystal that appears in the center of the platform.the platform should let you off in front of a blue trinity and a chest.Clear those and head down the stairs to the left ( If you go forwards and look off the edge to the left you should see a passageway.jump off the edge)Head through the passageway back to the lift stop.

Activate the blue crystal and the platform should take you to a higher part of the Great chest area.Take the stairs to the right after getting off the lift.Activate the blue crystal there for another platform.The platform should have dropped you off in an area filled with heartless.Get rid of the heartless and activate the orange crystal to lower one half of the giant set of stairs ( Platform/stone block).Turn around and enter the dark passage way near by.

Get rid of the heartless and cross over to the other side,which leads to the High Tower.Cast gravity on the floating chest.After fighting the millions of heartless,activate the orange crystal to lower the second section of the giant stairs ( platform/stone block).Climb up and around to the dark passageway on the left,back to the lift stop.from there cross the hall into the entrance to the Castle Chapel.

After the film enter the Chapel Proper.

Hope it helps :+)

If you still need help which set of stairs do you meen?.