To clear the second set of ice vents, let go of the bomb for a moment but continue holding up the Staff as you pull the second handle all the way out. This temporarily extinguishes several of the ice vents in the next trapped section.

Roll the bomb onto the first active vent in the second row from the left. (There's a dark vent in front of it and 3 dark vents beyond it.)

Jump over the bomb.

Then carefully grab it, step onto the safe vent on the left, and then maneuver the bomb 2 spaces forward onto the next active vent.

Jump over the bomb onto the next dark vent to the right.

Grab the bomb, step back onto the safe vent to the lower right, and then push the bomb forward onto the second vent from the left in the last row.

Jump over the bomb onto the clear walkway.

If the light on the time bomb is still green or has just turned yellow, you can try the third part of the sequence now. In that case, skip to part 3.

Otherwise, let the time bomb explode as you climb the stairs to the long ledge on the right. Step on the pressure pad. This deactivates the second set of ice vents and opens another gate...

...so you can return to the time bomb dispenser.

Raise the Staff, grab another time bomb, and roll it up the stairs.

Maneuver the bomb across the first and second sets of ice vents, which should be all or mostly dark at this point.

[Part 1 | Part 3 | Return to the Tomb of Hoarfrost Walkthrough]