Complete solution with answer and video walkthrough
(Gundolf Puzzle) Run away from the spells
Swipe Alyx right or left to avoid the spells.


I must pass through this cave

(Gundolf Puzzle) Fix the image

Phew That was a crazy cave

That Gem is mine

That Gem belongs to my boss

So you finally got your precious gem

(Gundolf Puzzle) Put the herbs into the formula

Gundolf said that the next gem is inside a pyramid