After you jump over the lava and hide on the pillar it goes into a QTE. My question is when exactly do you hit the button? Thanks --- "Is it really so crazy that I faked my own death because I had too many emails?" - Lola Sprat
I'm not sure if you're serious or not. There's no way you could've gotten this far into the DLC much less the game itself without knowing how to do the white rings. but I'll put in the answer anyway just so noobies can see it.
When the moving white ring goes inside the static white ring, press any of the 4 main buttons.