Im past the angel place and I'm in this gravity place and I can't get it..

Right, Down, Left, Up, Left, Up, Left, Down, Left, Up, Left,
Down, Left, Down, Right, Up, Right.

This will lead you to a lift. Go up to arrive in another gravity room.
In this one, go:

Down, Right, Up, Left, Up, Right, Up, Right, Down, Right,
Down, Right, Up, Left, Up.

You'll arrive at a door. Go through. Now follow the corridor until you
Come to a fork. Go right for a chest containing Energy Tablets. Go back to
The fork and go down, then left. Go through the door here to arrive back in
The gravity room. Follow these directions:

Left, Up, Left, Down, Right, Down, Right, Down, Right, Up,
Left, Down, Right.

Take the lift down to the other gravity room. Go left and enter the
Other door. You'll be in yet another gravity room. In this one, go:

Left, Up, Right, Up, Right, Down, Right, Down, Left, Down,
Left, Up, Left, Down, Left, Up, Right, Down, Right, Up, Right. Go through the door in the wall at the right, then head right for a
Chest containing Holy Circlet. Pick up the Elevator Key in this room
Before leaving. Go back to the stairway at the beginning that leads to the
Save point. From there, go left, then north and go through the door at the
Right. Head right to find the elevator. Put the Key in, and use it to go
Down.

Go left and look near the machine to find a chest containing Ex Gem
Lv 2. Then go up, left and go downstairs. Enter the warp.

You'll face Yggdrasill. Just stay alive until the fight is interrupted.
Then leave the Tower and you'll be at Altessa's House.