Tomb Raider: Underworld

There's no PS2 walkthrough for the final level yet. Tombraiderchronicles claims to have one, but that page is missing.

Stella at tombraiders.net recommends the Wii walkthrough for now.
http://www.tombraiders.net/stella/walks/TR8walk/wii/19outoftime_wii.html

Hope this is the part you're at, and that this is correct for the PS2.

"Climb back up on the right side of the buttress support. Drop down onto the square block and from there to the floor. Follow the curved walkway forward to the wide gap in the floor with the metal ring mounted on the ceiling above. Grapple the ring and swing across the gap to the other side. (This is just above the spot where you killed one of the Yetis earlier and descended to the lower level.)"

if U already push 1 standing pillar at the bottom, u gonna find ur way up. go straight 2 the top. u gonna find urself at the lower end of the tilted pillar. u should find a big ring there,pull it w/ ur magnetic grapple. the pillar gonna crumble forming another floating platforms. jump to the platform n u'll see a climbing path on the center.go up n then slide down the 2nd tilted pillar.pull the ring
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"Is that so..."
-Oda Nobunaga-